Calculus should not be picked off by yourself, because in the process of picking it off, it may cause bacterial infection and gingivitis or damage to the teeth. If you usually have calculus, you must go to clean your teeth, for example, you can go to a dentist and clean it with professional instruments under the operation of a doctor. The main reason for the formation of calculus is usually improper diet or not paying attention to oral cleaning, so daily care is very important, do not often eat sweet and sticky food, because sweet and sticky food is more sticky and easy to form calculus. When you finish eating, try to rinse your mouth with water or brush your teeth, which can keep your teeth clean and also reduce food sweet residue. Usually, special attention should be paid to the maintenance aspect of teeth, such as eating more vegetables and fruits with coarse fiber grain, which has a frictional cleaning effect on teeth. It can increase the chewing ability of the teeth, thus reducing the generation of tartar. Pay attention not to often eat spicy and stimulating food, eat less sweets and sticky food, and eat more green leafy vegetables, which can protect your teeth and are also beneficial to your health.