A constant wet fart groove requires identification of the cause before medication can be administered. Common causes include hemorrhoids, anal fistula, and rectal mucosal prolapse. 1. Hemorrhoids: generally due to the hemorrhoidal nucleus surface of the secretion out of the anus leading to perianal skin discomfort, moist and unclean, sometimes accompanied by itching. After diagnosis, generally with Ma Yinglong musk hemorrhoid cream, compound keratine ester cream and other topical drugs, all have a certain effect. Surgical treatment if necessary. 2. Anal fistula: generally manifested as a small amount of purulent, bloody, mucous secretion from the perianal fistula; due to the stimulation of secretion, make the anus moist, itchy, sometimes forming eczema. After diagnosis, antibiotic ointment can be used, such as mupirocin ointment, fusidic acid cream and other topical medications. However, surgical treatment is needed for a radical cure. 3. Rectal mucosa prolapse: rectal mucosa prolapse out of the anus, the secretion of the mucosa on its surface can lead to perianal skin moisture, itching, can be treated with topical medication such as Ma Yinglong Musk Hemorrhoidal Ointment. However, surgical treatment is needed for the root cause. However, this symptom may also be caused by other factors, such as rectal polyps, rectal tumors and so on. It is recommended that patients consult a physician in time to clarify the cause of the disease and then give targeted treatment, do not blindly self-medication.