Insufficient blood supply to the penile artery generally refers to insufficient blood supply to the corpus cavernosum of the penis. Insufficient blood supply to the corpus cavernosum of the penis can be cured through active and effective treatment, and it is recommended that patients with insufficient blood supply to the corpus cavernosum of the penis undergo regular treatment in a timely manner. Most of the penile cavernous blood supply insufficiency is caused by mental psychological factors, but also by organic factors such as hyperlipidemia, diabetes, atherosclerosis, etc. In addition, long-term alcoholism, sedentary, drug abuse, etc. can also lead to cavernous blood supply insufficiency, resulting in penile erectile dysfunction. Some patients with insufficient blood supply to the cavernous body of the penis may recover from the symptoms of insufficient blood supply to the cavernous body of the penis after removing the mental and psychological influences. In severe cases, active treatment is usually required, and the prognosis is generally good with improvement of symptoms. Commonly used drugs such as sildenafil citrate tablets can promote blood circulation in the penis and restore normal erectile function, and drugs such as testosterone are also effective in improving the blood supply to the penis. At the same time, daily need to correct bad habits, quit smoking and drinking, do not stay up late and sedentary, etc., diet needs to avoid long-term intake of high-sugar, high-fat food. Finally, if there are organic factors such as hyperlipidemia, diabetes mellitus, atherosclerosis, etc., the corresponding primary diseases should also be treated. Patients with insufficient blood supply to the penile cavernous body should go to a regular hospital in time for examination, actively cooperate with the doctor’s treatment, and target medication after a clear diagnosis by the doctor, which can generally be cured.