Impotence generally refers to the patient in three months during sexual intercourse, the penis can not be fully erect, can not be sustained erection, as well as lifting but not firm and so on, so that the patient can not carry out normal sexual intercourse, generally appear above symptoms of the patient are called impotence. In clinical medicine, it is called erectile dysfunction, and there are many reasons for erectile dysfunction, such as bad habits, such as long-term alcohol consumption, smoking, etc., and some diseases can also lead to erectile dysfunction, such as prostatitis, liver and kidney dysfunction, diabetes and so on. For patients with erectile dysfunction, they should go to a regular hospital at the first time to confirm the diagnosis, after clarifying the cause of the disease, under the guidance of the doctor for medication, common treatment of erectile dysfunction drugs such as sildenafil, tadalafil, etc., which can effectively improve the patient’s blood flow in the penile area, thus improving the hardness of the erection. Impotence patients need to consult the doctor for examination and early treatment.