The steps of treating periodontitis mostly refer to the steps of treating periodontitis, which mainly include general treatment, medication, and surgical treatment. 1. General treatment: including oral hygiene knowledge education and guidance to patients, according to the location of tartar distribution, respectively, take supragingival scaling and subgingival scraping, regular checkups in the hospital and so on. 2. Drug therapy: simple drug therapy is not the main means of treatment of periodontal disease, for mechanical treatment is ineffective for patients, then consider the auxiliary drugs, such as metronidazole, amoxicillin and other systemic drugs, as well as minocycline gel and other local drugs, the specific drugs should be taken under the guidance of a doctor. 3. Surgery: If the periodontitis is more serious and the problem cannot be solved by simple basic treatment, surgical treatment is needed, mainly including flap surgery, bone grafting and guided tissue regeneration.