Male impotence is divided into physiological impotence and psychological impotence, and the exact time to recover depends on the cause of impotence. In the case of physiological impotence, it may be caused by an organic lesion, which is an erectile dysfunction caused by damage to the penis or testicles. However, in this case, if the cause of impotence is removed, erection can be restored after rehabilitation training for about 1-2 years. In the case of psychological impotence, it is a state caused by a previous mental injury, which cannot be recovered in just a few years, but may last for life. Patients with impotence should first go to the male department of the local hospital for a systematic examination of the reproductive system. If there is no organic lesion, then psychological impotence is considered and a psychologist can be consulted, which may play a role in improving psychological impotence. In addition, long-term mental stress and excessive fatigue can also have an impact on male sexual function, try to do regular work and rest, appropriate stress reduction will help the recovery of impotence.