Impotence and weakness indicate the presence of erectile dysfunction, which may be caused by psycho-psychological factors, vascular factors, endocrine factors, and traumatic factors. 1. Psychosomatic factors: excessive mental and psychological stress, and abnormal relationship between husband and wife can have a negative impact on men’s psychology, which can lead to erectile dysfunction. 2. Vascular factors: for example, high blood pressure or diabetes may lead to abnormalities in the blood supply to the corpus cavernosum of the penis, making the corpus cavernosum of the penis insufficient blood supply, erectile dysfunction will occur, unable to have a normal sex life. 3. Endocrine factors: such as hypothyroidism, hyperadrenocorticism and other factors, may lead to endocrine abnormalities, it is easy to erectile dysfunction. 4. Traumatic factors: for example, pelvic trauma or severe damage to the penile area may affect the normal erection of the penis, which may lead to erectile dysfunction, and may even cause men to lose their sexual ability. Erectile dysfunction can also be caused by other factors. When erectile dysfunction exists and lasts for a long time, it is recommended to go to a regular hospital for examination and treatment.