Scrotal flushing and itching may be caused by scrotal eczema, jock itch, scrotal inflammation and other causes, which need to be differentiated and diagnosed by a doctor. 1. Scrotal eczema: in acute attacks, the skin is commonly flushed, with densely distributed papules, papules or small blisters, often accompanied by itching. 2. Ringworm: often occurs in the perineum area of the thigh skin, can be extended to the scrotum area, manifested as scrotal flushing and itching. 3. Scrotitis: inflammation of the surface skin of the scrotum can lead to redness and itching of the scrotum. It is recommended that the scrotum redness and itching of the person to go to the hospital in a timely manner to clarify the cause of the disease, under the guidance of the doctor for standardized treatment, so as to avoid delays in the condition of the body to bring about adverse effects.