The invention discloses a traditional Chinese medicine compound for treating chronic periodontitis. The traditional Chinese medicine compound is prepared from fruits of black jetbead, euphorbia thymifolia, herbs of bigflower clinopodium, cotoneaster multiflorus bge. leaves, pteroxygonum giraldii damme et diels, emilia fosbergii, loveyly hemsleya roots, pink reineckea herbs, lombardy poplar bark, drymaria cordata, ancients euphorbia stems, abroma angusta, zinnia elegans Jacq., fructo-oligose, propolis, prepared salt, halite, halloysitum rubrum, cellulose, pectinase, coenzyme Q10 powder and vitamin C. The traditional Chinese medicine compound for treating chronic periodontitis is rich in raw material, rapid in curative effect, the effective rate reaches 100%, and the cure rate is 73%; the vitamin C is extracted purely naturally, safe, healthy and free of toxic or side effect, and the extraction ate is as high as 12.1%; all types of traditional Chinese medicine are extracted and purified multiple times, the yield is raised by 18.7%, and production cost is saved; the traditional Chinese medicine compound is of faint scent and slightly sweet in taste, peculiar smell of traditional Chinese medicine does not exist, a patient cannot have a sense of conflict, the compound is easy to take and can rapidly eliminate inflammation and relive pain, tonify the kidney and protect teeth, regeneration and repair of damaged tissue are promoted, and the purpose of curing periodontitis is achieved.