If the arm part suffers from folliculitis, first of all, it can be washed with hydrogen peroxide locally, or it can be smeared with ointment such as erythromycin, which has a good effect on improving folliculitis. During the treatment, the patient should be kept clean and not be polluted by dust to avoid aggravation of the disease. You can take some anti-inflammatory drugs orally. It is recommended to choose cephalosporin anti-inflammatory drugs, which have good effects on the relief of skin follicle inflammation. During the treatment, the patient should eat a light diet and not eat special irritant food.