Oil oozing from the anus, considering the following conditions: 1, may be due to perianal abscess, which is due to the patient’s anus at the soft tissue, by bacteria and germs invasion, thus triggering a purulent infection, there will be pain, fever, urination and defecation, liquid oozing and other symptoms. 2, may be the perianal abscess is not timely treatment, thus triggering the anal fistula, mainly after the abscess appeared to be self-broken The main reason is that after the abscess breaks down on its own, the infection forms an anal fistula, and at this time the pain of the abscess will be relieved, but it will feel the dampness of the anus area, as well as oily liquid oozing out. 3, it may be anal eczema, which occurs most of the time and the excessive moisture around the anus is a certain relationship. In addition, there may be lesions of the colon. Considering the complexity of the etiology, it is best to go to the hospital for further examination and treatment.