Gingivitis can be treated with Rehabilitation New Liquid to reduce inflammation and combined with periodontal scaling, which can control inflammation and restore periodontal tissues to normal, as follows. The main ingredient of Rehabilitation New Liquid is the ethanol extract of the dried insect body of American cockroach, which contains a variety of active substances, with the effect of facilitating blood circulation, nourishing yin and generating muscle, with certain anti-inflammatory effect, and has an adjunctive therapeutic effect on gingivitis. Its adverse reactions and contraindications are not clear, and it is recommended to use it under the guidance of a doctor. Rehabilitation of new liquid can not completely eliminate gingival inflammation, need to be combined with periodontal scaling to remove plaque and tartar, in order to control inflammation and restore the normal shape of the tissue. It is recommended to visit a regular medical institution to receive professional treatment.