Gum calculus can be removed by scaling. Gum calculus is divided into supragingival calculus and subgingival calculus, and supragingival calculus can be removed by routine scaling. Subgingival calculus can be removed with a fine ultrasonic tip and a manual scaler, which effectively removes plaque and calculus from below the gums and facilitates the fit between the gums and teeth. This can avoid the resorption of alveolar bone, but also conducive to the maintenance of teeth and avoid the phenomenon of more loose teeth. At the same time, it is recommended that daily maintenance, good self-plaque control, should be brushed every morning and evening, brushing 2 times a day, and brushing to use the correct method of brushing, commonly used is the modified Bachmann brushing method, the use of good flossing, so as to facilitate the periodontal health.