A sliding testicle is a testicle that moves back and forth between the groin and scrotum and is a type of cryptorchidism. A sliding testicle is a congenital developmental abnormality. Surgery is recommended for children found with a sliding testicle. If a man’s testicle slides within the scrotum, it can be observed regularly and left alone for the time being. If the male’s testicle has a large range of motion and is not treated with surgery in time, it may lead to testicular dysplasia or even atrophy, testicular torsion, oligozoospermia, etc., as the child grows up, and it will also affect the child’s fertility and sexual function, so surgical treatment is recommended. When you find your child’s sliding testicles, parents promptly take your child to the hospital for a detailed diagnosis to determine whether surgical treatment is needed.