Gum recession can not be exercised to return to the original state, only through periodontal maintenance to limit or slow down the degree of gum recession. Gum recession is mostly due to external instruments or tartar and other foreign objects or inflammatory stimuli caused by gum recession, gums can not proliferate after recession can not be restored to its original state, can only be carried out periodontal treatment with anti-inflammatory drugs to eliminate the inflammation of the gums to prevent the gums from continuing to recede. Clinical need for gingival cleaning, subgingival scraping and root planing to eliminate gingival inflammation, the use of ultrasonic scaler to remove tartar, serious by surgery to open the gum flap, scraping plaque and infectious material on the surface of the teeth by hand, while taking medication under the guidance of a physician, such as amoxicillin, metronidazole. Gum recession is recommended to the hospital in a timely manner to avoid aggravation of inflammation, causing tooth loosening alveolar bone atrophy and other adverse consequences.