Objective:To investigate the oral health status of elderly people in Chongqing

and research incidence of caries and periodontal diseases in elderly people

in order to supply enough information for constituting programme of oral health care for elderly people. Methods:Based on oral health survey methods set down by World Health Organization and second national oral health survey standards

proportional stratified randomized sampling was employed in 2005. The total 762 samples from three cities and three countries were examined. Results:The coronal caries rate was 75.95%;the mean number of coronal caries was 14.32;the root caries rate was 58.40%

and the mean number of root caries was 4.24. Gingival bleeding rate was 98.82%;periodontal pocket rate

96.06%

and periodontal attachment loss rate

41.77%. Conclusion:Caries prevalence rate is high and periodontal health status is poor. These results suggest that oral care service should be established to improve the oral health status of elderly people in Chongqing and prevent epidemic of oral diseases.