Bumps in the armpit with itching are considered in the following cases: a. Reverse acne, which can appear as folliculitis papules with itching. In clinical treatment, topical fusidic acid ointment or mupirocin ointment can be used, oral doxycycline capsules or azithromycin dry mix suspension can be taken, and those with bright red rash color can be combined with oral erdin capsules, and those with dark red rash color can be treated with moistening and anti-itching capsules, and for The broken parts can be treated with local wet application of skin health lotion. Secondly, eczema can be treated with oral Orotadine Hydrochloride tablets or Epinastine Hydrochloride capsules and topical hydrocortisone butyrate ointment.