The reason why the scrotum is moist and cool can be seen in physiological phenomenon, scrotum eczema, prostatitis and other reasons, should be under the guidance of the physician to clarify the cause of the symptomatic treatment. 1. physiological phenomenon: such as through the tight, breathable clothing or long-term sedentary, high temperature scrotum has a cooling function, to protect the spermatogenesis and development, to increase the skin heat regulation testicular temperature, the skin sweat evaporation, will cause the scrotum damp cold. 2. Scrotal eczema: wear non-cotton underwear, do not pay attention to local hygiene, sweating more excessive scratching or long-term in a humid environment, such as eczema, will have an impact on the local blood circulation, the phenomenon of scrotal dampness cold. 3. Prostatitis: Prostatitis caused by bacterial infection is often accompanied by scrotal dampness and coolness, local sweating and other phenomena. Patients can be treated with antibiotics, such as amoxicillin and cefaclor, under the guidance of a doctor. All the above drugs need to pay attention to the side effects and adverse reactions of the drugs, please use the above drugs under the guidance of the doctor. When patients have damp and cold scrotum, they should go to the hospital in time.