Masturbation suddenly do not have an erection, may be due to excessive masturbation, resulting in frequent congestion of the prostate gland, penile spongy body damage, excessive pressure, fatigue, etc., causing the phenomenon of not erect. 1. Frequent congestion of the prostate gland: generally due to excessive masturbation, resulting in excessive and frequent pelvic congestion, causing the seminal vesicles, prostate gland abnormal phenomenon, the phenomenon of not having an erection. Frequent congestion of the prostate gland may cause prostatitis, seminal vesiculitis and other diseases, so that men’s erectile function to a certain degree of dysfunction. 2. Penile corpus cavernosum injury: it is due to excessive masturbation or masturbation with too much force and other factors, affecting the normal function of the penile corpus cavernosum, the phenomenon of a sudden lack of erection, penile corpus cavernosum injury will generally cause penile pain, swelling and other discomforts. 3. Excessive pressure: usually due to masturbation, resulting in psychological guilt, remorse and other discomforts, thus causing the phenomenon of sudden lack of erection. 4. fatigue: usually due to the body in the acceptance of sexual stimulation, will be in a state of extreme exuberance, resulting in a large number of physical strength is consumed, caused by the phenomenon of a sudden lack of erection. If the phenomenon of sudden lack of erection after masturbation, you need to go to the hospital in time for consultation, daily life should pay attention to rest, avoid overwork, try to avoid masturbation, appropriate exercise, improve immunity.