Six months after perianal drainage, there are many reasons for perianal moisture like not wiping clean, which may be caused by proctitis or hemorrhoids, or skin lesions at the anus, anal acrodermatitis and so on. 1. Proctitis or hemorrhoids: may lead to increased secretions, causing anal moisture. It is recommended that warm water sitz bath 2 times a day, change underwear, wear loose underpants, if necessary, follow the doctor’s instructions to give local release of drugs, such as musk hemorrhoid cream, erythromycin ointment and other drugs, avoid spicy and irritating food, keep the bowel movement, perianal hygiene and cleanliness, and so on. 2. Anal skin lesions or warts: may lead to perianal skin damage, broken skin pus, thus causing anal moisture. It is necessary to go to the relevant departments as soon as possible for examination and diagnosis. In addition, for some obese people, easy to sweat, may also cause anal moisture. The above situation, it is recommended to go to the regular hospital for examination, a clear diagnosis, and further targeted treatment to avoid delays in the condition, affecting the health of the body.