If a child has acanthosis nigricans, the treatment is generally based on topical medication to relieve the symptoms, usually using adapalene gel or mucopolysaccharide polysulfate cream for external application. Oral medication can be appropriate to use anti-keratinizing drugs, generally can be oral Avia capsules, in oral Avia capsules before, must test the child’s liver and kidney function is normal, if it is normal, can be appropriate to take. At the same time, you can take vitamin B complex orally, which can effectively supplement vitamins and relieve the symptoms of keratosis nigricans. In addition, in terms of local care, try to use less alkaline toiletries, especially soap and so on.