Erectile dysfunction occurs when the human body is too nervous, resulting in the penis can not be erected normally. The sympathetic nerve is inhibited when the human body is nervous, and the dorsal nerve reflex of the penis is abnormal, which leads to abnormal blood circulation in the cavernous body of the penis, and the pressure of the cavernous body of the penis arteries and veins is lowered, which leads to this situation. This situation belongs to functional impotence, reduce psychological pressure after the symptoms can disappear, it is recommended that the patient to the regular hospital men’s department for psychological counseling, so that the disease can be cured. In the sexual life should choose a comfortable environment, relax the mind, do not be overly nervous, if the psychological guidance is ineffective can be treated by oral medication, you can take sildenafil tablets, tadalafil tablets and other drugs. Usually the patient can carry out appropriate physical exercise, enhance the physical fitness, and then improve the symptoms.