In general, Zelan can cure sprains, but the efficacy of a single Chinese medicine is limited, clinically need to be used with other Chinese medicines after identification by a Chinese medicine practitioner. Zeran, with the efficacy of activating blood circulation and regulating menstruation, removing blood stasis and eliminating carbuncle. It is mainly used in the treatment of irregular menstruation, menorrhagia, dysmenorrhea, postpartum abdominal pain with blood stasis, canker sores and swollen toxins, edema and ascites, bruises and other diseases. Clinically, Zeran is used in the treatment of bruises, stasis and pain, and canker sores and poisons, often used with safflower, danshen and other drugs. Pregnant women should not take Zelan. If the patient has any discomfort, please go to the regular medical institutions; if you need to use Zelan, must be used under the guidance of a professional doctor.