1, wake up early in the morning and before going to bed, insist on making the upper and lower teeth between each other knocking, the beginning of light knocking a dozen times, and then day by day to increase the number of times and strength of knocking, to each knock about 50 times. 2, get up in the morning with warm water, rinse your mouth, brush your teeth seriously and effectively for 3-5 minutes, focusing on effective brushing. 3, 1 to 2 times a day to do closed mouth and puffed cheeks gargling action, at the same time, tongue left and right rotation. This method can make oral saliva secretion increase, so that the tongue surface, tooth surface, teeth and oral mucosa by a certain amount of rinsing, so as to increase the self-cleaning effect of the oral cavity, improve the resistance of the teeth to disease. Jinan Hospital of Traditional Chinese Medicine stomatology Mei Xingcheng 4, eat less sweets, eat more rough fiber-rich food, and chew and swallow slowly, rough fiber food has teeth cleaning and teeth massage effect, can prevent premature gum recession. 5, as far as possible after eating any food, rinse your mouth with water. 6, do not smoke, do not drink strong tea, often drink white water, help to maintain the normal color of the teeth. 7.Be sure to brush your teeth before going to bed at night, and after brushing, you should never eat food before going to bed, or you will lose any meaning. 8, regular visits to the dentist, and dentists become friends, if necessary, regular scaling, prevention of tartar and calculus formation, prevention and treatment of oral diseases.