Male penises begin to stop growing and gradually take shape when they are about 16 to 18 years old. Normal male penises are 7 to 9 cm in the weak state and 11 to 16 cm in the erect state. Surgery can be selected to change the size of male penises, but there will be other serious surgical risks such as impotence, so food intake can only affect male sexual function, It does not change the size of the penis. Men can eat bullwhip, sheep whip, pigeon food to play a certain role in adjuvant treatment, which can enhance the degree of penis erection in the process of sexual life, or eat oysters and other seafood with high zinc content to help strengthen yang and kidney, or eat some vegetables and fruits with high vitamin content, bananas, apples, vegetables, spinach, etc, These foods can help to change the erectile degree of the male penis and improve the male sexual function.