Short erection time and insufficient hardness are mainly considered as erectile dysfunction, which is usually caused by psychological and mental factors, vascular diseases and nerve damage. 1. Psycho-spiritual factors: if the patient is nervous, anxious or recently over-tired during sex, the phenomenon of erectile dysfunction may occur, resulting in short erection time and insufficient hardness. 2. Vascular disease: At the same time, some vascular diseases such as hypertension, high blood pressure, high blood fat, etc., may also lead to erectile dysfunction of the patient, resulting in short erection time and insufficient hardness. 3. Nerve damage: due to disease, trauma and other reasons lead to the patient’s central nerve and peripheral nerve damage, may also trigger the patient’s erectile dysfunction, which leads to short erection time, hardness is not enough phenomenon. Therefore, if the patient has a short erection time, hardness and other symptoms, should go to the hospital in time to consult, clear the cause of the disease, for treatment.