Insufficient blood supply to the penis may be caused by circumcision, hyperlipidemia, penile atherosclerosis, congenital penile artery stenosis and other diseases. 1. Circumcision ingrown: it may be due to circumcision ingrown, resulting in the obstruction of penile blood supply, which in turn causes the phenomenon of insufficient blood supply to the penis, and requires timely manipulation of the reset or dorsal incision of the foreskin. 2. Hyperlipidemia: hyperlipidemia may lead to endothelial damage in blood vessels, causing lumen narrowing, and then the phenomenon of insufficient blood supply to the penis, can be used under the guidance of the doctor atorvastatin calcium tablets and other drugs for treatment. 3. Penile artery atherosclerosis: generally due to penile artery atherosclerosis, resulting in clogging of blood vessels around the penis, the phenomenon of insufficient blood supply to the penis, can be prescribed by the use of inositol nicotinic acid ester tablets, simvastatin tablets, and other drugs to treat. 4. Congenital penile artery stenosis: usually due to congenital penile artery stenosis, leading to the penis around the blood vessels can not be normal circulation, the phenomenon of insufficient blood supply to the penis, can be prescribed by the use of sildenafil citrate tablets, vardenafil hydrochloride tablets and other medications to treat. It is necessary to pay attention to the side effects and adverse reactions of the drugs, please use the above drugs under the guidance of a doctor. If you have insufficient blood supply to the penis, please consult a regular hospital in time to avoid delaying the condition.