There is no such thing as “how to take leeches is the most effective”. Leeches are mainly taken as a decoction. The leech is the dried whole of the leech, leech or willow leaf leech of the family of leeches. The drug is salty, bitter and flat, poisonous, and belongs to the liver meridian. It has the efficacy of breaking blood circulation and promoting menstruation, expelling blood stasis and eliminating symptoms. It can be used in the treatment of blood stasis and menstrual closure, obstruction in the abdomen (women with lumps in the lower abdomen), lumps (lumps), stroke, fall and pummeling injuries. The adverse reactions and contraindications of the drug are not clear, but pregnant women are prohibited. Leeches are mainly taken by decoction of soup for internal use. If you need to use leeches, it is recommended to go to a regular hospital, under the guidance of professional physicians to identify the evidence.