If a guy wants to improve his sexual performance, he needs to improve from diet, exercise and medicine. In the diet boys can eat animal offal, oysters, etc. Animal offal is rich in sex hormones and adrenal cortical hormones, which can improve sperm vitality, libido, and enhance sexual performance. Oysters contain a lot of high-quality protein, and contains zinc can promote the synthesis of testosterone to improve sexual performance. From the exercise side can do more aerobic exercise, such as jogging, swimming, etc., can promote the blood circulation of the whole body, improve physical fitness, enhance physical fitness, and help improve sexual performance. From the medication men can take drugs for the kidneys to improve sexual performance. In daily life, you need to maintain adequate sleep time, the body can repair itself while sleeping, which helps to improve sexual performance.