Generally black dental calculus needs to be cleaned up by means of periodontal basic treatment and general measures. 1. Basic periodontal treatment: The common clinical methods for removing calculus are supragingival scaling such as hand scaler and ultrasonic scaler. If the calculus mainly occurs in the periodontal pockets, usually want to take subgingival scaling, but generally need to follow the doctor’s instructions after the use of 3% hydrogen peroxide solution on the periodontal pockets for rinsing, mainly in order to remove the residual tartar debris clean. 2. General measures: usually need to pay attention to oral hygiene, keep clean, on time to take the right way to brush teeth, and develop a good habit of rinsing after meals. Secondly, you also need to adjust the diet structure, reduce the consumption of soft and sticky, as well as rich in sugar food. To summarize, when black calculus appears, it is necessary to go to the hospital in time for standardized cleaning to prevent further development. At the same time, it is necessary to strengthen the management of daily life and conduct oral examination on time.