Boys behind the pimples may be the emergence of acne, the main clinical use of general treatment, topical medication, systemic medication, phototherapy and other methods to remove. 1. General treatment: you can choose water or suitable cleansing products to remove excess oil on the surface of the skin behind the skin, as well as dander and a mixture of bacteria, but avoid excessive cleaning. At the same time, limit the intake of high glycemic index foods and milk, which are likely to trigger or aggravate the condition of acne. 2. Topical medications: For mild cases, topical medications are the mainstay of treatment. Such as retinoic acid, tazarotene, etc., but the initial use is likely to lead to local irritation, such as erythema and flaking, so it is best to use a small range of light avoidance; Benzoyl peroxide can be slowly released through the emergence of new ecological oxygen and benzoic acid, to achieve the role of killing Propionibacterium acnes and dissolve acne. 3. Systemic medication: Isotretinoin can effectively inhibit sebaceous secretion of sebaceous glands, regulate the keratinization of sebaceous ducts in hair follicles, improve the anaerobic environment of hair follicles, anti-inflammatory and prevent scar formation, but it is easy to cause adverse reactions such as dry mouth and flaking, especially teratogenic, so men and women of childbearing age need to be contraceptive during the period of taking. 4. Phototherapy: LED blue light or red light can be used to treat mild to moderate lesions; the addition of red light can be used for the treatment of severe acne. All of the above medications should be used in accordance with medical advice. Boys behind the acne, it is best to go to the hospital in time, under the guidance of the doctor for standardized treatment.