Ten-year-old children long blackheads, that is, blackheads pimples, is a kind of acne, is due to the sebaceous gland secretion, follicle mouth keratinization abnormality caused by the topical drugs, fruit acid peeling and other ways of treatment. 1. Topical medications: can choose to use retinoic acid preparations for external use, such as retinoic acid ointment, adapalene, etc., because of its photosensitivity, usually used before bedtime, the initial use may have a certain degree of irritation, the establishment of tolerance, and then can gradually improve. Can also be used externally azelaic acid cream, can dissolve micro-acne, at the same time has a certain anti-inflammatory effect. 2. Fruit acid peeling: it can dissolve microcomedones, reduce oil secretion, promote epidermal metabolism, and have certain therapeutic effects on blackheads and acne. The above medications and treatments should be carried out under the guidance of a physician. If you suffer from blackheads and pimples, it is recommended that you go to a regular hospital for consultation.