The one-minute impotence self-test is generally inaccurate and should be examined in a male department. Impotence refers to erectile dysfunction, mainly the persistent inability of the penis to achieve and maintain an erection sufficient for satisfactory sexual intercourse. A penile ultrasound is needed to determine the condition of the cavernous blood vessels. At the same time, blood system examination of blood sugar, blood routine, liver and kidney function and other items are needed; physical examination is mainly to check the condition of the male secondary characteristics; and the data of various scales can be utilized to carry out the judgment of whether it is impotence or not. Erectile dysfunction should be treated according to different causes. If it is caused by psychological disorder, it can be relieved by psychological treatment; if it is organic disorder, it usually needs to be treated for the organic disease that causes erectile dysfunction. At the same time in daily life should develop their own good habits, quit smoking and alcohol, appropriate aerobic exercise, weight control, regular life. The appearance of impotence is recommended to go to the hospital for examination, the doctor according to clinical symptoms to clarify the cause of the disease, symptomatic treatment.