2. September 20th this year is the 33rd national love teeth day. The Municipal Bureau of Disease Control and Prevention of the National Health and Health Commission recently announced the propaganda theme of "national love teeth day" in 20021year, with the sub-theme "Develop the habit of brushing your teeth from childhood and enjoy a healthy life all your life". Taking the relationship between oral health and general health as the breakthrough point, we should increase the publicity of oral health science and improve the level of oral health literacy of the masses.