Standing unable to get an erection, consider and overworked, long-term masturbation, sexual dysfunction and other factors related to the need to go to the hospital in a timely manner to further examination to clarify the cause of the disease, timely consultation. 1. Excessive fatigue: usually due to excessive fatigue, resulting in low immunity, so that the penis spongy body can not be normal blood congestion, and then caused by the phenomenon of unable to get an erection, excessive fatigue will generally be fatigue and other symptoms. 2. Long-term masturbation: generally due to long-term masturbation, resulting in the penis spongy body can not be normal sustained congestion, and will lead to damage to the foreskin, thus causing the phenomenon of unable to erect standing, and will cause premature ejaculation and other diseases. 3. Sexual dysfunction: it may be due to the men themselves suffer from sexual dysfunction, resulting in the penis can not be normal erection, and then the phenomenon of standing can not be erect, sexual dysfunction usually appear libido disorders, can not ejaculate normally and other symptoms. If the phenomenon of standing unable to get an erection, you can go to the hospital in time to avoid delaying the condition and adverse consequences, in daily life, you should pay attention to rest, appropriate exercise, reasonable diet.