For most types of gingivitis in children, such as eruptive gingivitis and unclean gingivitis, the main treatment is to completely remove plaque through scaling, eliminating local irritation and plaque retention factors, without the use of antibiotics, the inflammation will subside in about a week, the collagen fibers in the connective tissues can be newborn, and the gingiva can be completely returned to normal. For patients with more severe inflammation, on top of scaling, chlorhexidine can be used to rinse the gingival pockets or gargle, which helps to reduce plaque and eliminate inflammation. The need for antibiotics is as follows: 1, with gingival abscess, local lymph node enlargement, oral antibiotics, such as metronidazole and tinidazole; 2, acute necrotizing ulcerative gingivitis is a special infection caused by Clostridium difficile and spirochetes, which often leads to acute necrosis of free gingival margins and gingival papillae, with obvious pain and typical corrosive halitosis, and requires the systemic use of antibiotics such as penicillin intravenously by drip or intramuscular injection, can also apply metronidazole or tinidazole, rapid efficacy against anaerobic bacteria, help gingival inflammation control; and for children gingivitis not accompanied by systemic disease is not recommended systemic antibiotics.