Increased hardness of the penis can be treated with oral western medications such as sildenafil, tadalafil and vardenafil. Drugs that are mainly used to treat erectile dysfunction include tadalafil, sildenafil, vardenafil and other drugs. These drugs can diastole the smooth muscle of the corpus cavernosum and increase the blood flow to the corpus cavernosum, thus increasing the hardness of erection. The comprehensive assessment of safety, adverse reactions and other aspects of the drug is more commonly used. If there is erectile dysfunction, it is best to go to the hospital for relevant examinations, to exclude organic lesions, to treat the primary disease, and then choose the appropriate treatment, such as psychological factors caused by, can be psychologically detached, dorsal deep penile vein leakage caused by, can be surgically ligated reflux vein.