The treatment of gum recession needs to find the cause of gum recession, the external bad stimulus caused by the need to remove the bad stimulus, periodontitis caused by the need for periodontal treatment. 1. Remove bad stimuli. Gum recession may be caused by improper brushing, too hard bristles or incorrect brushing method, easily due to mechanical friction and lead to alveolar bone resorption gum recession; bad restorations edge stimulation compression of the gums need to remove the bad restorations, remake; excessive orthodontic force and occlusal force need to adjust orthodontic strength, alignment. 2. Periodontal treatment. Periodontitis can cause alveolar bone resorption gingival recession, periodontal treatment is needed to remove tartar, to prevent the lesion from continuing to progress, affecting the aesthetics of the gingival flap grafting and other membrane gingival surgery can be used to cover the root surface. Lower gum recession is recommended to the hospital in a timely manner to avoid tooth sensitivity as well as tooth loosening.