There is no such thing as the best and fastest leech cure. The main effects of leeches are activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), breaking blood circulation and promoting menstruation (eliminating blood stasis in the body to make the meridians smooth), and eliminating blood stasis and eliminating symptoms (eliminating blood stasis and accumulation of lumps). It is mainly used for treating blood stasis and menorrhagia (accumulation of blood stasis in the uterus leading to amenorrhea), accumulation of obstruction in the abdomen (tangible or intangible lumps in the abdomen with distension and pain), bruises, pain in the heart and abdomen. Adverse reactions include skin rash, itching, nausea, vomiting, abdominal pain, diarrhea gastrointestinal bleeding and even coma in some patients, and should not be taken by allergic persons. Should not be used with antihypertensive drugs; should not be taken with melon seeds, will increase the toxicity of the reaction. Weakness and blood deficiency, pregnant women, women during menstruation and those with bleeding tendency are prohibited. If there are symptoms related to the need to consult a doctor, this product needs to be used under the guidance of a doctor, do not self-medication.