When you have a normal roommate, the penis cannot erect normally to complete sexual life, or the erection time is relatively short and the phenomenon of weakness appears, which is considered to be caused by impotence. The most fundamental cause of impotence is insufficient cavernous congestion of the penis. It is suggested to go to the hospital to check the cavernous congestion test of the penis to make a clear diagnosis. There are many reasons for impotence, such as long-term masturbation, smoking, drinking, staying up late at ordinary times, learning and working pressure, etc. It is suggested that oral medicine, such as sildenafil or tadalafil, can be used for treatment. The effect is relatively good. It is best to take it orally half an hour before the sexual intercourse, which can make the penis erect for half an hour to an hour, and can complete the sexual life normally. It is best to cooperate with Chinese patent medicine for treatment, such as Wuzi Yanzong Pill, Jingui Shenqi Pill, etc.