Hydrodissection Circumcision Versus Conventional Circumcision

Inclusion Criteria: * Complies with the diagnostic criteria for phimosis, foreskin elongation, and related diseases in the "Chinese Expert Consensus on Phimosis, Foreskin related Diseases"; * Preoperative routine examination showed no abnormalities in coagulation, blood routine, electrocardiogram and other indicators; * No severe genital herpes, gonorrhea, syphilis, glans infection, etc.; * Complies with the indications for sleeve type circumcision ; * The patient or family member is aware of the surgical plan and signs the informed consent form. Exclusion Criteria: * Patients with concomitant urethral malformations, such as hypospadias; * Patients with combined inflammation of the penis, prior penile surgery, severe adhesions, buried penis, and short frenulum of the penis; * Exclude individuals with combined allergies or allergies to multiple medications; * Patients with severe physical illnesses such as heart and lung dysfunction who cannot tolerate surgery; * Individuals with cognitive impairments or mental abnormalities; * Diabetes with poor glycemic control； * Age \>35 or Age\<6.