The causes of scrotal dampness and fever are categorized into physiological factors and pathological factors. Physiological factors are mostly related to the environment and improper dietary habits, while pathological factors are mostly seen in varicocele, chronic prostatitis, scrotal eczema and so on. 1. Physiological factors: If the patient is in a high temperature and humid environment for a long time, it can lead to dampness and heat in the scrotum, or wear tighter and less breathable underwear can also easily lead to dampness in the scrotum, and it is not easy to dissipate the heat, which can also lead to heat. 2. Pathological factors: varicose veins in the scrotum when the varicose veins of the spermatic vein expansion, blood stagnation, resulting in the scrotum at the heat is not easy to disseminate, there may be a scrotum moisture fever symptoms; chronic prostatitis, the scrotum can be a lot of sweat and cause moisture fever, in addition to the scrotum eczema can be manifested as a scrotum at the heat and humidity. Scrotal dampness and fever may also be other reasons, it is recommended that the patient to go to the hospital, improve the auxiliary examination, in order to clarify the cause of the disease, the professional physician for the cause of the disease and give the appropriate treatment.