Depending on the severity of gum recession and the cause of the gap between the teeth to take the appropriate treatment, including conservative treatment and surgical treatment. 1. Severity: mild gum recession, no discomfort symptoms, not much impact on aesthetics, generally do not need to deal with. For the case of obvious gum recession, the use of suitable remedies: membrane gum surgery, elastic gum, caries filling, desensitization treatment, dental veneers, etc., can be improved to varying degrees of aesthetics, sensitivity, pain, food impaction and other symptoms. 2. Etiology: The causes of gingival recession include improper brushing and periodontitis. Improper brushing should improve oral hygiene habits, under the guidance of the doctor to choose the correct, suitable for their own brushing methods and tools; due to periodontitis caused by receding gums, the first should be a systematic periodontal treatment to restore the health of periodontal tissues, to prevent further loss of periodontal tissues due to inflammation. It is recommended that patients should go to regular hospitals for consultation, evaluation and diagnosis by specialized doctors, and adopt corresponding treatment plans.