After puberty, the body functions slowly develop and mature, and the testicles also develop and mature, the testicles will not undergo secondary development again. The development of testicles is also the process of sexual maturity, which is accompanied by the growth and development of the human body. During puberty, all organs of the body gradually begin to develop and become mature, and after puberty, the development of the body slows down and gradually stops, and the testicles develop into shape, and will not undergo secondary development. If the size of the testicles after adulthood, sexual function abnormalities, may be the cause of dysplasia, as well as reproductive system abnormalities, it is recommended to go to the hospital’s genitourinary center in a timely manner, to go to the system to check, clarify the cause of the disease, and timely symptomatic treatment.