Inadequate blood supply to the corpus cavernosum is a condition in which arterial blood cannot fill the corpus cavernosum properly, and requires medication or surgery depending on the specific cause. If it is caused by high blood pressure, diabetes and other diseases, you need to take drugs to lower sugar and blood pressure for treatment, like Enalapril, Metformin, etc., which can protect the penile corpus cavernosum while also improving the insufficient blood supply. If the insufficient blood supply to the corpus cavernosum is caused by trauma, the situation is serious and also needs to be treated by arterial bypass grafting. In this case, the patient should take appropriate physical exercise to improve physical function. During the recovery period, the diet should be adjusted to a light diet, avoiding overwork. And sexual intercourse should be prohibited to avoid unnecessary effects. Insufficient blood supply to the corpus cavernosum may also be a result of long-term use of certain drugs, tobacco, alcoholism and other reasons, it is recommended that the patient in the hospital urology department to do penile arterial blood flow test, clear cause of the cause of the treatment under the guidance of the doctor.