The child gave me a warm hug during the postoperative follow-up Recently, our hospital admitted an over-obese child, ten years old, but weighing 48Kg, abdominal and suprapubic fat, so that the entire penis is buried under the skin, protruding from the outside of the only pointed a little bit of small foreskin. After careful examination, it was decided that if the patient was to undergo cryptorchid penoplasty alone, the postoperative penile exposure would most likely be unsatisfactory. Therefore, it was decided that suprapubic fat aspiration would be performed first, and then cryptorchid penoplasty would be performed, so that after the fat around the periphery had been extracted, the penis would be completely exposed, and the postoperative appearance would be more satisfactory. After the preoperative examination, no obvious contraindications to surgery were found. On the second day, the operation of suprapubic fat suction + cryptorchidoplasty was performed, and the operation went smoothly, and the patient was discharged from the hospital after 3 days of postoperative observation. He came to the hospital for follow-up 5 days after the operation and observed that the penis could be exposed 2cm in the natural state, and his appearance was satisfactory. Speaking of hidden penis, many people may not be familiar with it, the following is a brief introduction. Cryptorchid penis is a kind of congenital malformation of penile development, the distal end of the urogenital sinus, which normally extends to the genital nodes in the embryonic period, is underdeveloped, so that the penis is hidden under the skin, and a little bit of foreskin is exposed on the outside. Invisible penis is not uncommon in the clinic, epidemiological survey found that the incidence of penile deformity in adolescents is 0.68%, second only to the prepuce and hypospadias. In recent years, with the attention of clinicians and the increase of obese children, the incidence of cryptorchid penis is also increasing. The incidence of cryptorchid penis is also increasing with the increase of obese children. Cryptorchid penis affects the growth and development of the penis, and children will have low self-esteem and other negative psychology, which will lay a hidden danger for their future sex life. Hidden penis can be treated, not by drugs, but mainly through surgery to correct the deformity. The results of surgical treatment are relatively satisfactory, with the penis appearing columnar and larger in appearance, and eliminating any adverse effects on further growth and development. Therefore, those who find that the penis is short must go to an experienced urologist to avoid delay in treatment.