Men can not get hard, you can eat sildenafil, tadalafil, vardenafil, these three drugs are currently the most widely used, the best effect of improving male erectile dysfunction drugs. This drug must be used with care, to eat an hour before sexual intercourse, to have sexual stimulation after taking the drug, can not be used at the same time with nitroglycerin drugs during the drug, easy to cause serious hypotension, eating too much greasy food during the drug is not recommended. Men can not get hard, you can also eat a variety of beef and mutton, leeks, these foods have aphrodisiac ingredients. Usually you should pay attention to exercise to enhance the body’s androgen secretion so that the male erectile function will get better and better.