Postoperative anal lymph node swelling is generally caused by surgical stress or inflammation, it is recommended to do a blood routine and other related inflammation indicators, if it is caused by inflammation, need to give anti-inflammatory drugs under the guidance of the doctor symptomatic treatment. Postoperative anal lymph node swelling may be the stress reaction of the operation, generally after recovery for a period of time the symptoms will disappear, may also be caused by inflammation, if the blood test in the white blood cells, neutrophils significantly higher than the normal value, need to be given anti-inflammatory drugs under the guidance of the doctor to anti-infection treatment, such as penicillinase-resistant penicillin, ceftriaxone sodium, ciprofloxacin, and other medications to improve the symptoms. After surgery, avoid eating spicy, stimulating, greasy food, pay attention to rest, eat a light diet, eat more fresh fruits and vegetables, drink more water, keep the bowels smooth. It is recommended that patients go to regular hospitals to avoid delaying their condition.