Perianal abscess is an acute suppurative infectious disease in the soft tissues around the rectum and anal canal. Foods that should be avoided by patients are spicy, irritating foods such as chili peppers, coffee, tobacco and alcohol. Perianal abscess, also known as perirectal anal canal abscess, its cause may be due to pathogenic bacteria such as Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa infections, the patient may appear around the anus small lumps, sudden severe pain, accompanied by localized fever, uneasiness, the rectal part of the swelling sensation, chills and other symptoms. Perianal abscess patients in the diet is very critical, should avoid eating spicy stimulating food, such as chili, garlic, ginger, onion, hot pot, barbecue, etc., to reduce coffee, strong tea, etc., try not to drink and smoke, prohibit alcoholism. Because spicy stimulating food will stimulate the gastrointestinal mucosa, can lead to constipation, gastritis, gastric ulcer, enteritis and other gastrointestinal diseases, and at the same time make the inflammation aggravated, seriously affect the treatment of perianal abscess infection. Therefore, patients with perianal abscess must abstain from eating and adjust their dietary structure according to the doctor’s instructions. Patients can take antibiotics, such as cefixime, metronidazole, etc.; lubricate the intestinal tract of drugs, such as lactulose, hemp pill, etc.; painkillers, such as ibuprofen, celecoxib, etc. for treatment, for the abscess of serious patients can be surgical treatment. It is recommended that patients strictly follow the doctor’s instructions to adjust the diet, actively cooperate with the doctor’s treatment, pay attention to perianal cleanliness in life, keep the bowel movement, and at the same time do a good job of monitoring the condition of the patient, if there is any abnormality in a timely manner to consult a doctor.