Inguinitis toenails are usually cut to about 1~2mm from the edge of the nail, and active treatment is needed at the same time. Trenchitis is an inflammation of the tissues around the nails, mainly due to a variety of pathogenic bacterial infections caused by clinical manifestations of local tissue redness, swelling, heat, pain, and in severe cases can be suppurative, the patient first need to cut the nails to the edge of the nails to the edge of the 1 ~ 2mm, and then through the active treatment of medication, surgery, physical and other methods. Commonly used medications include chlorhexidine solution, ichthyol ointment, amoxicillin, etc., all of which should be used under the guidance of medical professionals to avoid adverse reactions. In addition, patients with onychomycosis can also be treated with surgery. Physical therapy such as ultrashort wave and infrared ray also have some therapeutic effect on nail folliculitis.