Impotence is a disease with a high incidence of male sexual dysfunction. Impotence is also known as erectile dysfunction, and its main clinical manifestations are the inability of men to get an erection during sexual intercourse, weakness in the middle of erection, or insufficient erection hardness, resulting in the inability to penetrate into the vagina of women. In addition, patients with impotence tend to lose their morning erection, which is a common clinical symptom of impotence. The treatment of impotence requires different treatment methods according to different causes. For impotence caused by functional factors, generally there is no organic lesion in the penis and can be treated by sexual concentration therapy. Sexual concentration therapy is mainly used to increase the sexual stimulation of men during sexual intercourse and promote the erection of the penis. For impotence caused by insufficient blood supply to the cavernous body of the penis from various causes, it can generally come to be treated with commonly used drugs such as sildenafil and tadalafil.