Dry scrotal skin may be localized over-washing caused by dry skin, but also may be related to scrotal inflammation, scrotal eczema, vitamin B deficiency. 1. Overwashing: Scrotal skin can easily become dry and flaky if it is overwashed, and there are usually no other symptoms. 2. Scrotal inflammation: Scrotal inflammation can lead to redness, swelling, pain and peeling of the skin of the scrotum. 3. Scrotal eczema: Scrotal eczema can lead to dry, flaky scrotal skin with itching. 4. Vitamin B deficiency: It can also lead to localized dryness and peeling of the scrotum, mostly accompanied by stomatitis. Dry scrotal skin may also be caused by other factors. If physiological factors are ruled out, you can go to a regular hospital to determine the specific lesion according to the symptoms as well as the examination, and then give standardized treatment.