Zeran has the function of activating blood circulation, eliminating blood stasis, inducing diuresis and subduing swelling, treating blood stasis, menstrual closure, dysmenorrhea, obstruction in the abdomen, postpartum stagnation, abdominal pain, facial swelling, bruises, ulcers and poisons, edema and ascites. At present, it is mainly used in the treatment of scanty menstruation, incessant dribbling, dysmenorrhea, etc. Meanwhile, it can be used with products that tonify qi and blood for the treatment of post-partum swelling, and because of its diuretic effect, it can be used with zeran and fenghui to be consumed in wine or vinegar broth. It is used for the treatment of bruises and carbuncle swelling, can activate blood circulation and eliminate blood stasis, and has good effect of reducing swelling both internally and externally.