Objective:To investigate the ways of obtaining oral health knowledge in the population at the age of 12 and 35~ 44 in Chongqing

to provide information for publicizing oral health knowledge in Chongqing. Methods:By the stratified equal- sized random sampling

360 objects aged at 12 and 711 objects aged at 35~44 of three urban and three rural regions in Chongqing were surveyed by questionnaire on ways of obtaining oral health knowledge Results:Less than one third of the children aged at 12 and less than 10% of middle-aged people aged at 35~44 among samples got oral health knowledge from dentists. The main way of getting oral health knowledge for the former is from parents

and other ways are from television

broadcast and oral health teaching. For the latter

the main way is from television or broadcast. The urban children and middle-aged people are both more informed about oral health knowledge than the rural ones in above ways and there are statistical differences(P<0.05). Conclusion:Publicizing oral health knowledge to various people in various ways will be an emphasis of oral health service in Chongqing

which should meet the need of all the people.