Erectile dysfunction is considered to be caused by erectile dysfunction, the causes of erectile dysfunction are psychological factors, vascular factors, endocrine factors, anatomical and structural factors and so on. 1. Psychological factors: lack of sexual knowledge, excessive work or economic pressure, and poor relationship between husband and wife in life can all affect erectile function. 2. Vascular factors: it is the main cause of erectile dysfunction, common diseases include atherosclerosis, arterial stenosis and so on. 3. Endocrine factors: abnormal thyroid function, hypogonadotropic hypogonadism, etc., can make the body’s hormone level change, thus affecting the erectile function. 4. Anatomical and structural factors: If the anatomy and structure of the male penis are abnormal, it can also lead to erectile dysfunction, and common diseases include penile curvature deformity and small penis. Erectile dysfunction is a benign lesion, but closely related to the quality of life of patients, it is recommended that patients go to the hospital in a timely manner, and follow the doctor’s instructions for standardized treatment.