No matter what exercise can not enlarge the penis, the size of the penis will be mainly affected by heredity, weight, age, disease and other aspects. 1. Heredity: Most of the penis size is related to congenital genetic factors, as long as it is within the normal range value, no special treatment is needed. 2. Weight: When men gain weight, the excess fat may cover the penis, so the penis will look shorter. You can lose the excess fat through exercise and dietary regimen to maintain a healthy body weight, which can restore the original appearance of the penis. 3. Age: For older men, because of the decrease in testosterone level, the penis may shrink as they grow older, which is a normal phenomenon, and the penis cannot be enlarged simply through exercise. 4. Disease: Some men may have a short penis, consider and gonadotropin secretion is insufficient, too much, penile dysplasia related, if necessary, can cooperate with the doctor to choose gonadotropin drug treatment. It is recommended that patients should be based on their own penis, with the doctor’s consultation and treatment, not blindly use drugs.