Leech powder does not reverse plaque, it can relieve some of the symptoms caused by plaque. Plaque is a manifestation of vascular sclerosis. Usually in Chinese medicine theory, plaque can be relieved and stabilized to some extent by treatments such as activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), resolving phlegm and lowering turbidity, etc., but cannot be completely eliminated or reversed. Leech powder is a kind of Chinese medicine powder dosage form of Chinese medicine leech, its flavor is salty, bitter, flat, belongs to the liver meridian, has some small poison, has the efficacy of breaking blood stasis and opening up the menstruation, expelling blood stasis and eliminating the symptoms of symptoms, clinically, it can be used for the treatment of blood stasis and menstrual occlusion, obstruction of obstruction of the masses (the appearance of tangible or invisible lumps in the abdomen, with a feeling of distension and pain), and bruises, heart and abdominal pain, and so on. After taking this medicine, it is necessary to prevent adverse reactions such as nausea, vomiting, abdominal pain, diarrhea, etc. It is contraindicated for the weak and blood deficient, pregnant women and bleeders, and it is recommended to use the medicine under the guidance of a doctor, and not to use the medicine by oneself.