Gums do not stick to the teeth may be the result of calculus, gingivitis, periodontitis, etc., which can be treated by scaling, oral anti-inflammatory drugs, periodontal scraping and so on. 1. Calculus: Calculus is a calcified and partially calcified substance attached to the surface of the teeth, and it is possible that the gums do not stick to the teeth with calculus. In the case where the patient clearly has localized tartar attachment, the calculus can be removed by scaling. 2. Gingivitis: gingivitis refers to the inflammation that occurs in the gingival margins and gingival papillae, and patients with gingivitis may have the phenomenon that the gums do not stick to the teeth. Patients can local rinsing, cleaning and other relief of inflammation, while oral anti-inflammatory drugs, such as metronidazole fenbufen capsules, minocycline hydrochloride capsules, etc. for treatment, drug allergies, renal impairment with caution. 3. Periodontitis: Periodontitis is an inflammation that attacks the gums and periodontal tissues, and patients with periodontitis may also have gums that do not stick to the teeth. It can be treated by periodontal scaling, which is the use of fine subgingival scaling to remove tartar and plaque, as well as some inflammatory granulation tissue to achieve therapeutic effects. If the patient’s gums do not stick to the teeth, it is recommended to go to the regular dental hospital for examination, identify the cause of the disease to give targeted treatment, such as medication, need to comply with the doctor’s instructions, do not self-medication.