Perianal abscess can be manifested as perianal skin lumps, redness and other symptoms, and at the same time can be complicated by anal fistula and other manifestations. 1. Symptoms of the disease itself (1) swelling: perianal abscess can be touched hard nodules in the perianal skin, if the lesion continues to increase, there may also be asymmetry in the shape of the buttocks on both sides. At the same time, redness and other inflammatory manifestations of the skin can be seen at the nodules, and the skin will feel warm and hot when touched by hand. (2) Pain: Swelling is usually accompanied by distension and pain, which may be a continuous throbbing pain, and the pain may make people fidgety, and may be aggravated when defecation or pressure is exerted. (3) Systemic manifestations: fever, chills, nausea, etc. may occur throughout the body. 2. Disease complication symptoms If complicated with anal fistula. The skin around the anus may break down, accompanied by purulent liquid outflow, with a foul odor. The above symptoms, it is recommended to go to the hospital in time to avoid aggravation of the condition.