Scrotal itching with white circles is mainly caused by diseases, common causes include scrotal eczema, folliculitis, vitiligo, etc., need to go to the hospital to find out the cause of the disease. 1. scrotal eczema: scrotal eczema belongs to a kind of eczema, the onset of the area is mainly confined to the scrotum, sometimes can spread to the anus around. Patients often feel itchy in the scrotum, localized pimples, blisters and may eventually form white circles. 2. Folliculitis: Folliculitis can be divided into infectious and non-infectious folliculitis, infectious folliculitis is often associated with bacteria and other microorganisms. Infected folliculitis is often associated with bacteria and other microorganisms. After infection, yellowish-white pustules will appear on various parts of the body, such as the head, face, groin, perineum, etc., which can sometimes be ruptured and flow out and are accompanied by scrotal itching and other symptoms. 3. Vitiligo: Vitiligo is a skin disease in which the melanocytes of the skin are destroyed, and patients with skin melanocyte dysfunction can be manifested in various parts of the body in different sizes and shapes of white spots, which can be accompanied by local itching. There may be other reasons for the itchy scrotum with white circles, and it is recommended to actively consult a professional physician under the guidance of the diagnosis and treatment.