Leech powder is mainly taken with water. Leech powder is made from the Chinese medicine leech ground into powder, the drug is salty and bitter and flat, attributed to the liver meridian, with the effect of breaking blood stasis and promoting menstruation, expelling blood stasis and eliminating the symptoms of symptoms. It can be used in the treatment of blood stasis and menstrual occlusion, obstruction in the abdomen, lumps, hemiplegia, bruises and injuries. The adverse reactions of the drug are not clear, but it is prohibited for pregnant women. In addition, the drug has a small toxicity, so it should not be overdosed for a long time. The method of taking leech powder is based on flushing. When using leech powder, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the evidence of treatment, not to take it on their own, so as not to delay the condition.