The testicles are male genitals, and women do not have testicles and will not have cryptorchidism. Cryptorchidism in men generally has no conscious symptoms, and is mainly characterized by an empty scrotum on the affected side and poor scrotal development. Cryptorchidism can occur unilaterally or bilaterally, with unilateral more common, except for the larger children occasionally have swelling and pain or complications, most cryptorchidism patients generally have no self-conscious symptoms. Clinical manifestations of cryptorchidism are poor development of scrotum on the affected side, empty scrotum, inaccessible testicles, sometimes testicles can be touched outside the inguinal area or scrotum, which are usually smaller than normal, and localized bulging can be seen. Men with cryptorchidism need to go to the hospital as soon as possible, and the doctor will formulate individualized diagnosis and treatment plan according to the specific condition, so as not to delay the condition.