Impotence mainly refers to the inability to achieve satisfactory sexual intercourse due to weak or weak erection in the past three months. The examination mainly includes the following aspects: 1. Using data from various scales, the impotence is quantified and scores are assigned through the patient’s somatic sensation and self-awareness, and finally the results are analyzed and judged according to the scores. 2. Physical examination, mainly to check the male secondary sexual characteristics, such as the size of the genitalia, the presence of deformities, nodules, etc., the development of hair in the perineal region, the size of the testicles and the presence of deformities, as well as to check the vascular pulsation of the penis, whether there are problems such as arteriosclerosis, and to check the superficial reflexes, such as the testicular muscle reflex and the abdominal wall reflex. 3.Blood system examination, blood routine, urine routine, blood glucose, liver and kidney function, etc., and check the level of hormone secretion of the nervous system, such as: serum total testosterone, free testosterone, follicle stimulating hormone, lactogen and other items. 4. Other examinations, such as ultrasound examination of the penis, can clarify the vascular condition of the spongy body. There are more items to check, but most of the impotence cases are more related to psychology, so you must set your mind right, do the right understanding of yourself, and solve the problem from the psychological point of view, the effect is better. In short, after the impotence situation, do not be too discouraged, active examination, with the treatment, the effect is still good.