Perianal abscess surgery 5 months have small bumps, can be due to scar proliferation, anal fistula, lipoma and other factors, should promptly go to the hospital to find out the cause. 1. Scar proliferation: mostly due to perianal abscess surgical injury or abscess inflammatory stimulation, inflammatory factors stimulate the surrounding fibroblasts proliferation, the formation of connective tissue protruding from the body surface, resulting in perianal abscess surgery 5 months with small bumps of the symptoms. 2. anal fistula: due to the perianal abscess surgical cleanup is not complete and other factors, resulting in inflammation aggravation, resulting in the destruction of perianal tissues, the formation of anal fistula, thus causing perianal abscess surgery 5 months with small bumps of the symptoms. 3. Lipoma: mostly caused by perianal abscess surgery incision or inflammation infiltration and other factors, resulting in the degeneration of fat cells in the buttocks to gather, the formation of lumps protruding from the body surface, which can be manifested as the symptoms of perianal abscess surgery 5 months with small bumps. If there is a perianal abscess surgery 5 months with small bumps, should go to the hospital in a timely manner, to the doctor to identify the cause of the treatment; in daily life, should pay attention to personal hygiene, to develop a good dietary habits.