Recurrent acne may be caused by acne, eczema and other diseases manifested as pimples, which need to be resolved by topical or oral medication to address the cause. 1. Acne: For mild cases of recurrent acne caused by acne, retinoids such as retinoic acid cream and isotretinoin gel can be applied under medical supervision. Severe cases should take oral doxycycline, minocycline and other antibiotics as prescribed by the doctor, and moderate to severe patients can use isotretinoin and other treatments according to the condition. 2. Eczema: manifested as erythema, papules, mossy changes, etc., if the manifestation of mild skin lesions, you can follow the doctor’s instructions for the external use of glucocorticoid drugs, such as hydrocortisone, dexamethasone cream, etc., combined with the oral antihistamine drugs, such as chlortetracycline in severe cases of treatment, to enable the reduction of inflammatory reactions, relieve symptoms. If the recurrence of acne suggests that the patient to go to the hospital, clear the cause of the disease, follow the doctor’s instructions for treatment, do not self-medication.