Principle: This taste is salty, soft and firm, bitter and cold, clearing away heat, and has the effects of purging heat, relaxing bowels, moistening the lower body, clearing stomach and removing dryness. Modern research believes that mirabilite contains sodium sulfate, mixed with salt, calcium sulfate, magnesium sulfate and so on. However, sulfate ion is not easy to be absorbed, resulting in intestinal hyperosmotic state, increasing intestinal water and causing diarrhea.

Effect of rhubarb: loose stool or soft stool will be discharged about 6 hours after taking it. Because it contains tannic acid, constipation occurs after diarrhea.

Principle: Rhubarb tastes bitter and cold, and is good at clearing the stomach, calming down excess heat, moving but not saving, mastering Yangming large intestine meridian, attacking accumulation and guiding stagnation, purging heat and relaxing bowels. Modern research believes that rhubarb contains anthraquinones, which is the main component of antidiarrheal, can stimulate the large intestine, increase peristalsis and relieve constipation, and has a moderate effect.

Efficacy of senna leaf: it is often accompanied by abdominal pain after taking it, and diarrhea can occur several times within 3 hours after taking it.

Principle: Sweet, bitter and cold in nature, with the effect of purging heat and relaxing bowels. The anthraquinone derivative contained in it has purgative effect.

Croton is pungent and hot, toxic, cold accumulation in gastrointestinal tract, cold accumulation in accommodation and food, and strong medicinal properties. Modern pharmaceutical research believes that croton oil contained in this product is a violent laxative. Oral administration of half a drop to 1 drop has a strong stimulating effect on mucous membranes and skin such as oral cavity and gastrointestinal tract, resulting in severe oral irritation symptoms and gastroenteritis, and repeated watery diarrhea within half an hour to three hours, accompanied by severe abdominal pain and acute diarrhea.