The appearance of back bumps, can be considered as urticaria, Malassezia folliculitis or acne and other diseases, according to the condition of the general treatment, topical medication, systemic medication and other options for treatment. 1. Urticaria: mostly related to allergy, can use glycerine lotion in summer, and emulsion such as benadryl cream in winter; systemic medication can choose antihistamines such as benadryl for treatment, and oral hormones such as prednisone and other medications can also be taken as appropriate. 2. Malassezia folliculitis: should be diligent bath, change clothes, keep the skin clean; external drug therapy, the use of antifungal preparations such as ketoconazole cream, clotrimazole cream, etc., in addition to ketoconazole lotion, selenium disulfide also has a certain degree of efficacy; for the effect of the external medicine is not good, the lesions of the large area of the person can be taken orally antifungal drugs such as fluconazole. 3. Acne: mainly to dissolve keratin, degreasing, sterilization, anti-inflammatory, hormone regulation as the principle of treatment, you can choose to use topical retinoic acid cream, benzoyl peroxide emulsion, fusidic acid cream, azelaic acid, etc. to treat local lesions; violent acne can be orally isotretinoin, doxycycline, glucocorticosteroids (eg, prednisone) treatment. Back pimples, it is recommended to go to the hospital, after a clear diagnosis, follow the doctor’s instructions standardized medication, to promote the healing of the disease.