The main clinical manifestations of pelvic rectal fossa abscess are as follows: first, pain and swelling in the lower abdomen; second, symptoms of fever; third, a feeling of anal swelling, and often a feeling of bowel movement, but no bowel movement when going to the toilet, which can aggravate the pain when relieving bowel movement; fourth, an increase in vaginal discharge. Patients often feel fatigue, weakness and depression. It is recommended to consider surgery as soon as possible and to continue treatment with a lot of antibiotics after surgery.