Leeches have a small toxicity and are usually used after concoction. In general, leeches cannot be used to treat premature ejaculation. Leeches are salty, bitter and flat in nature; they are attributed to the liver meridian. It has the efficacy of breaking blood circulation and promoting menstruation, eliminating blood stasis and eliminating symptoms. Clinically, it is mainly used for treating blood stasis and menstrual closure, obstruction in the abdomen, lumps, hemiplegia, fall and injury. Pregnant women and people with excessive menstruation should not use leeches. Some patients may have adverse reactions such as skin rash, itching, nausea, vomiting and abdominal pain after taking leeches. It is recommended that patients with premature ejaculation consult a doctor in time and standardize the treatment under the doctor’s guidance. If you need to use leeches to treat the disease, you must use them under the guidance of a professional doctor.