The causes of anal itching include physiological and pathological factors. Pathological factors include anal fissure, perianal abscess, anal fistula and other diseases, and the use of hot water is not recommended to avoid aggravating the condition. 1. Physiological: in life due to lack of attention to hygiene, not diligently change underwear and other circumstances will cause anal itching, can be maintained by maintaining perianal cleanliness and hygiene or glycerite lotion topical relief discomfort. 2. Pathological: anal fissure, perianal abscess, anal fistula and other causes of anal itching, need to identify the cause of the cause of the disease under the guidance of the doctor for the cause of the treatment, to avoid the use of hot water overstimulation or injury, hot water may destroy the skin environment around the anus, not only not helpful to relieve itching, but will aggravate the condition. Therefore, the use of hot water is not recommended when anal itching occurs, need to be under the guidance of the doctor, receive reasonable standardized treatment, so as to improve the symptoms, relieve discomfort, treatment of disease.