There is no prescription for penis enlargement. Penis shortening is usually associated with excessive obesity, decreased testosterone levels, and circumcision, etc. Conservative treatment or surgical treatment can be chosen according to the cause. 1. Excessive obesity: the body is relatively obese, may cause the subcutaneous fat is too thick, at this time the penis looks shorter. In this case, you need to increase your activity level and control your weight. If the symptoms are serious, you can do penis extension surgery to correct the problem, the purpose is to fix the root of the penis on the surface of the skin. 2. Decrease in testosterone level: It is a hormonal abnormality, if the testosterone level continues to decrease during puberty, it will affect the normal development of the penis. Testosterone can be supplemented as prescribed by the doctor, such as oral testosterone propionate, etc. The hormone level will return to normal, which will lead to normal development of the penis. 3. Phimosis: Phimosis will lead to narrowing of the opening of the foreskin, and the head of the penis cannot be exposed, so the penis looks shorter and smaller. For this disease need to do surgery to remove the prepuce, the head of the penis can be exposed to the surface, can help improve the symptoms of short penis. Want to make the penis enlargement, not blindly use the prescription, should be strictly in accordance with the requirements of the doctor for professional and formal way of treatment, the specific medication should be carried out under the guidance of the doctor, do not take without authorization.