Perianal striated hard lumps may be caused by fistula, perianal abscess, hemorrhoids and other causes. 1. Fistula: fistula fistula due to chronic inflammation stimulation formation of fibrotic cords hard nodules, can be found in the anal examination of the perianal cords hard lumps. 2. Perianal abscess: perianal abscess in the treatment of local inflammation has not completely subsided or the infection is not completely eliminated, can be formed in the local hard abscess, in the anal fingerprinting can be felt in the perianal stripes of hard lumps. 3. hemorrhoids: tortuous expansion of the venous hemorrhoidal nuclei after the occurrence of thromboembolism thrombus mechanization, can lead to hemorrhoidal nuclei become hard, can be touched in the perianal cord-like hard lumps. The perianal cord-like hard lumps may also be perianal tumors, polyps and other causes, the patient should go to the hospital in a timely manner to improve the examination, clear cause of the targeted treatment, to avoid delays in the condition.