The perianal dampness is generally caused by several reasons: a. perianal eczema, a typical perianal eczema-like skin disease, usually related to the perianal area is often in a more humid environment, it is recommended that local application of hormonal creams, can effectively relieve the symptoms. Second, perianal pruritus, due to excessive secretion of anal glands, resulting in perianal dampness and itching, patients scratching instead to stimulate increased secretions, resulting in increased itching. It is very common clinically, and it is not recommended to use hormone-containing creams for application. Although it can temporarily relieve the symptoms, in the long run it will aggravate the development of the disease. Patients are advised to use pepper boiled water for local fumigation, and can also use Chinese herbs that clear heat and dry dampness for decoction and local fumigation. You need to pay attention to keep the perianal area clean and dry, and avoid spicy and stimulating food.