Erectile function test usually includes physical examination, nocturnal erectile function hardness test, penile vascular examination and so on, once abnormalities are found, it is necessary to seek medical treatment in time. 1. Erectile function test firstly needs to carry out physical examination, mainly checking whether there is underdevelopment or deformity of penis and testicles, and pay attention to the performance of secondary sexual characteristics. 2. It is also necessary to carry out the examination of nocturnal erectile function hardness monitoring, the purpose of the examination is to identify the occurrence of erectile dysfunction is psychological or organic. 3. In addition, an angiographic agent can be injected into the cavernous body of the penis, and then an angiographic ultrasound can be performed after the penis is erected, so as to determine whether the blood circulation in the penis is normal. Other tests include audio-visual stimulation erection test, selective internal pubic arteriography, penile sensory threshold measurement, penile cavernous body electromyography, etc. If you have erectile dysfunction, please consult a regular hospital in time, and under the guidance of a professional hospital for treatment.