Sanghuang belongs to the fire wood stromatolites, the main medicinal value of which has the effect of activating blood, stopping bleeding, resolving drinking and stopping diarrhea, and is generally applied to clinical symptoms such as hematochezia, hemorrhagic drenching, prolapse, diarrhea, dysmenorrhea, menstrual closure, obstruction of obstruction in the abdomen, fetish drinking, and diarrhea due to deficiency of the spleen. From the point of view of western medicine, the pharmacological effect of Sanghuang mainly has the effect of inhibiting the secretion of sweat glands, and also has the effect of digitalis-like, which can stimulate the smooth muscle in low concentration, and inhibit the smooth muscle in high dose. In addition, Sanghuang also has anti-tumor effects, can play the role of anti-fibrosis, antioxidant, analgesic effect, at the same time, Sanghuang also has antibacterial effect, also has a certain degree of regulation of immune function. Therefore, when choosing Sanghuang, it is necessary to strictly grasp the clinical indications under the guidance of the doctor for application.