For itchy male genitalia, it is recommended to register for dermatology or urology, but if the local hospital does not have a urology department, then you can register for general surgery for consultation. Itchy male genitalia can be caused by urinary system diseases, such as overcircumcision and prepuce, where there is often a large amount of local foreskin scale that can irritate and cause itchy symptoms. It can also be caused by skin lesions, such as local eczema-like changes, or local allergic changes, or oral medication to form a fixed drug rash changes, etc., can lead to local itching. It is recommended to further determine how to deal with the itch according to the location of the itch and whether it is accompanied by rash, lesions, and whether it is accompanied by secretions. If it is caused by urological diseases, it needs to be completely cured by external washing or medication, or circumcision, etc. If it is caused by skin lesions, it can be treated with anti-allergy medication orally or by external washing.