The pain caused by periodontitis is mainly due to the active phase of periodontitis, or periodontal abscesses and other pain, in the acute phase of pain can be treated with conservative methods, mainly using periodontal rinsing and medication to relieve pain. First of all, go to the hospital to rinse the periodontal pockets, using hydrogen peroxide and saline to rinse the periodontal pockets repeatedly, to remove food debris, bacteria and other disease-causing substances in the periodontal pockets. In addition, tincture of iodine, iodized glycerin or minocycline hydrochloride ointment is applied to the periodontal pockets for local anti-inflammation and pain relief, and the patient can also take metronidazole tablets for anti-inflammatory purposes in moderation. After the acute phase, systematic periodontal treatment is needed to completely remove tartar, plaque and other infectious substances in the periodontal pockets and relieve pain. Periodontal sequence treatment techniques are mainly the following: 1, ultrasonic cleaning, which is often referred to as scaling, it can remove above the gums and the shallow layer of tartar and plaque in the periodontal pockets. 2, for the periodontal inflammation is very serious patients need to be carried out further periodontal scraping, can be used manually or mechanically to carry out periodontal scraping, to remove the deep layer of tartar and plaque.