The effects of Sanleng are mainly to break blood and move qi, eliminate stagnation and relieve pain (eliminate stagnation and relieve pain), treating blood and qi heartache, epigastric distension and pain, dietary stagnation and bruises, etc., the specific use of the doctor’s advice. Sanleng, pungent, bitter and neutral in nature, belongs to the liver and spleen meridians, with the effect of breaking blood and promoting circulation of qi, eliminating stagnation and relieving pain. It is used for treating heartache of blood and qi, distension and pain in the epigastrium, stagnation of food and drink, bruises, stagnation of blood with menstrual occlusion, dysmenorrhea, and obstruction of mass in the abdomen and plaques (masses). This herb should be contraindicated in persons with weak qi, persons with blood stagnation and menstrual closure, persons with excessive menstruation, and pregnant women, and prohibited from combining with Mangniu (芒硝). Adverse effects are not known. Specific use should be under the guidance of specialists, and should not be used without authorization.