There are many early symptoms of impotence, such as difficulty in penile erection, poor penile erection, poor penile erection and so on. 1. Difficulty in penile erection: Early symptoms of impotence will mainly show difficulty in penile erection, men’s penile erection is slow, or difficult to fully erect. 2. Erectile dysfunction: Although men can have an erection, it is not hard enough after erection, which may even lead to difficulty in inserting the penis into the vagina, or even inability to insert the penis into the vagina. 3. Penile erection does not last: although the male penis can be erected, but can not maintain a sufficient erection hardness, insertion into the female vagina may soon appear penis weakness. There are many early symptoms of impotence, after the appearance of the above symptoms, it is recommended that patients go to the hospital in a timely manner to improve the examination, to clarify the cause, to give standardized treatment, not to ignore the symptoms, take it lightly, so as not to delay the treatment of the condition.