Anal inflammation usually requires physical examination, laboratory tests, imaging tests and so on. 1. Physical examination: anal inflammation may be caused by feces or other disease secretions that irritate the perianal skin, thus causing inflammatory lesions; physical examination under the guidance of the doctor is required after the consultation, mainly to check the perianal condition, and to determine whether there is redness, swelling, congestion, oozing, rash and other discomforts of the perianal skin. 2. Laboratory examination: usually need to carry out routine blood tests to see whether the white blood cell count is elevated, can be clear about the degree of infection; if there is perianal pus secretion, then need to carry out pus bacterial culture, clear causative organisms to guide the use of medication; at the same time need to carry out fecal examination of the eggs, to exclude the rachitic worm infection and other diseases. 3. Imaging examination: common examination mainly includes perineal high-frequency ultrasound, transrectal ultrasound, magnetic resonance imaging, etc.; it can mainly locate and diagnose perianal inflammatory diseases, and can also observe the size, shape, location and depth of the lesion, so as to clarify the next treatment plan. The above examination program needs to be decided after the doctor’s comprehensive assessment of the condition after the consultation, and follow the doctor’s instructions.