Run Chang Wan, from Volume 15 of Weisheng Baojian, is a classic Chinese medicine prescription with a long history. It is mainly used to treat constipation caused by fire in the spleen and stomach, wind and blood stagnation. According to many ancient texts, its composition and efficacy are slightly different, but the overall treatment principle is the same. The history of Run Chang Wan can be traced back to the early development stage of Chinese medicine and pharmacy. It is a shining pearl in the treasure house of Chinese medicine and pharmacy.
Formula composition of Run Chang Wan
Run Chang Wan is a classic Chinese medicine prescription with a long history. It is mainly used to treat constipation caused by spleen and stomach fire, wind and blood stagnation. The following is the specific prescription composition and classification of Runchang Pills:
Junyao
The main drug is the drug that plays the main role in treating the main symptoms in the prescription. It is indispensable. It has fewer medicinal flavors and the dosage is relatively larger than other drugs based on the medicinal strength. The main main drugs of Runchang Pills include:
Hemp seed : moisturizes and lubricates the intestines, promoting bowel movements.
Peach kernel : promotes blood circulation and removes blood stasis, dissipates blood clots, improves intestinal blood circulation, and promotes intestinal motility.
Angelica Root : replenishes blood and activates blood circulation, blood can moisten dryness and improve intestinal dryness.

Minister medicine
The ministerial drugs assist the monarch drugs to enhance the therapeutic effect. The ministerial drugs of Runchang Pills mainly include:
Rhubarb : bitter and cold in nature, has a laxative effect and can clear away heat from the intestines.
Qianghuo : dispels wind evil, promotes qi and relieves pain, and improves symptoms of chest tightness and distension.
Adjuvant
Adjuvant drugs assist the main drug in treating concurrent symptoms or secondary symptoms, or inhibit the toxicity and harshness of the main and auxiliary drugs, or act as counteracting drugs. The adjuvant drugs of Runchang Pills mainly include:
Cimicifuga : Clears away heat, detoxifies, and can raise the Yang, helping to restore normal bowel movement.
Safflower : promotes blood circulation and removes blood stasis, dissipates blood clots, improves intestinal blood circulation, and promotes intestinal motility.
Lily : moisturizes and lubricates the intestines, promotes bowel movements.
Drug
The guiding drugs guide the other drugs in the prescription directly to the source of the disease or coordinate the effects of the other drugs in the prescription. The guiding drugs in Runchang Pills mainly include:
Citrus aurantium : promotes the flow of Qi, removes stagnation, eliminates bloating and relieves abdominal distension.
Chenpi : promotes the flow of Qi and relieves stagnation, eliminates bloating and relieves abdominal distension.
Costus root : promotes qi circulation and relieves pain, improves symptoms of chest tightness and fullness.
Betel nut : promotes the flow of Qi, relieves stagnation, eliminates bloating and relieves abdominal distension.
Sesame seeds, Prunus mume seeds, almonds and peach kernels are rich in oil, which can moisturize the intestines and promote defecation; Angelica sinensis can replenish blood and promote blood circulation, improving the dryness of the intestines. Peach kernels, Angelica sinensis and safflower can promote blood circulation and dissipate blood stasis, dissipate blood clots and improve intestinal blood circulation. Rhubarb and Cimicifuga heracleifolia can clear away heat and purge fire, remove intestinal heat and restore normal defecation function.
Qianghuo, Zhiqi, Chenpi, Muxiang, Betel nut, Fangfeng, Qinjiao and Gleditsia sinensis can promote qi circulation and relieve stagnation, eliminate swelling and relieve lumps, and enhance the wind-dispelling and laxative effects. In addition, ginseng, white peony root and raw licorice can replenish spleen qi, harmonize the spleen and stomach, and improve digestive function. These drugs work together to make Run Chang Wan have a significant effect in treating constipation.
Pathogenesis of Run Chang Wan
Run Chang Wan are mainly used to treat constipation caused by spleen and stomach fire, wind stagnation and blood stagnation. Spleen and stomach fire refers to the accumulation of heat in the spleen and stomach, which burns the body fluids and causes the intestines to lose moisture, thus causing constipation. In this case, the intestines lack sufficient lubrication, and the stool becomes dry, hard, and difficult to pass.
Wind stagnation and blood stagnation refer to the invasion of wind evil, which combines with dryness and heat to block the intestinal qi and affect the conduction function of the large intestine. In this case, the blood circulation in the intestine is not smooth, and blood stasis blocks the intestine, leading to constipation. In addition, blood deficiency will also affect the normal function of the intestine, making it difficult to excrete stool.

Deficiency of body fluid is also an important cause of constipation. Sweating and urinating can lead to loss of body fluid, dehydration of the large intestine, and thus constipation. Disharmony of the three burners refers to the stagnation of the qi of the three burners, which affects the metabolism of water and the transportation of food, further aggravating the constipation problem. Run Chang Wan regulate these pathological mechanisms through a combination of various herbs to achieve the effect of moistening the intestines and relieving constipation.
Run Chang Wan are mainly used to treat the causes and pathogenesis of spleen and stomach fire, wind-stagnation constipation, blood-stagnation constipation, heat-stagnation constipation, body fluid deficiency and triple-burner disharmony. Spleen and stomach fire refers to the accumulation of heat evil in the spleen and stomach, which burns body fluid and causes the intestines to lose moisture; wind-stagnation constipation refers to the invasion of wind evil, which combines with dryness and heat to block the intestinal qi; blood-stagnation constipation refers to blood stasis blocking the intestines or yin-blood deficiency, which cannot nourish the intestines; heat-stagnation refers to the accumulation of heat evil, which consumes body fluid and causes the large intestine to lose moisture; body fluid deficiency is caused by sweating, diuresis and other behaviors that lead to body fluid consumption and large intestine loss of moisture; triple-burner disharmony refers to the stagnation of triple-burner qi, which affects water metabolism and food transportation. These factors work together to cause constipation problems.
Run Chang Wan are mainly used to treat the following symptoms:
Constipation : Symptoms include dry, hard stools, difficulty in defecation, and decreased bowel movement.
Chest and diaphragm distension and discomfort : feeling of fullness and discomfort in the chest and stomach.
Dietary indigestion : indigestion, food stays in the stomach for too long.
Dry and astringent stomach and intestines : insufficient intestinal fluid and lack of lubrication.
Loss of appetite : decreased appetite, no desire to eat.
Abdominal distension : During pregnancy, the patient may have difficulty in defecation, and the abdomen and ribs may become hard and swollen.
Effects of Run Chang Wan
Run Chang Wan is a traditional Chinese medicine remedy used to treat constipation. It uses a combination of natural herbs to achieve a laxative effect. These herbs are rich in oils and can effectively moisturize the intestines, making the stool softer and easier to pass. Runchang Pills is a very effective choice for those who have difficulty passing stools due to dry intestines.
In addition to moistening the intestines and relieving constipation, Runchang Pills also have the effect of promoting blood circulation and removing blood stasis. It can promote blood circulation in the intestines and improve the health of the intestines. This is especially helpful for those who suffer from constipation due to blood stasis blocking the intestines. By improving blood circulation, Runchang Pills can help eliminate blockages in the intestines and make bowel movements smoother.

In addition, Run Chang Wan also have the effect of clearing away heat and purging fire. It can clear the accumulated heat in the intestines and restore the normal function of the intestines. This is especially important for those who suffer from constipation due to excessive heat evil in the body. By clearing away heat and purging fire, Run Chang Wan can help restore the normal functioning of the intestines, thereby effectively relieving the symptoms of constipation.
Modern Applications of Run Chang Wan
In modern medicine, Run Chang Wan are still widely used to treat constipation, especially constipation caused by spleen and stomach fire, wind stagnation and blood stagnation. Modern research shows that the various ingredients in Run Chang Wan have multiple effects such as moistening the intestines and relieving constipation, promoting blood circulation and removing blood stasis, clearing away heat and purging fire, and can effectively improve the symptoms of constipation. In addition, Run Chang Wan are also used to treat some digestive system diseases, such as indigestion, dryness of the intestines and stomach, etc.
Notes
Although Run Chang Wan are effective in treating constipation, you should still pay attention to the following points when using them:
Treatment based on syndrome differentiation : Runchang Pills are mainly used to treat constipation caused by spleen and stomach fire, wind stagnation and blood stagnation. It may not be effective for constipation caused by other reasons. Therefore, before using Runchang Pills, you should first perform syndrome differentiation and treatment to determine the cause.
Dosage control : Some ingredients in Runchang Pills have a strong laxative effect, and excessive use may cause adverse reactions such as diarrhea. Therefore, when using Runchang Pills, the dosage should be strictly controlled according to the doctor's instructions.
Long-term use : Long-term use of Runchang Pills is not recommended, especially for patients with chronic constipation. Long-term use may lead to intestinal dependence and affect the normal function of the intestines.
Contraindications : Pregnant women, breastfeeding women, children and people with weak constitutions should use Runchang Pills with caution. Before use, you should consult a professional doctor.
Adverse reactions : If you experience adverse reactions such as abdominal pain or diarrhea while using the pills, stop taking the medicine immediately and consult a professional physician.
Summary
Run Chang Wan is an effective prescription for constipation caused by various reasons. It has multiple effects such as moistening the intestines, activating blood circulation, clearing away heat, and promoting qi circulation to achieve the purpose of laxative. Different doctors have added or subtracted its composition based on clinical experience to make it more flexible to deal with different types of constipation. However, its core therapeutic principle is always to moisten dryness, harmonize blood, dispel wind, and promote laxative, which embodies the essence of traditional Chinese medicine's syndrome differentiation and treatment.
In modern medicine, Run Chang Wan are still widely used to treat constipation, especially constipation caused by spleen and stomach fire, wind stagnation and blood stagnation. Modern research shows that the various ingredients in Run Chang Wan have multiple effects such as moistening the intestines and relieving constipation, promoting blood circulation and removing blood stasis, clearing away heat and purging fire, and can effectively improve the symptoms of constipation. In addition, Run Chang Wan are also used to treat some digestive system diseases, such as indigestion, dryness of the intestines and stomach, etc.
However, when using Run Chang Wan, attention should still be paid to syndrome differentiation, dosage control, long-term use, contraindications, and adverse reactions. Only under the guidance of professional doctors and with the rational use of Runchang Pills can the best therapeutic effect be achieved and unnecessary risks be avoided.