对河北省任丘市7所农村小学的学前班至三年级学生1555名进行口腔卫生状况研究。结果表明：农村学生的乳牙和恒牙龋齿发病率均很高，分别为83．4％和52．4％，且随年龄的增长而增高；其中龋齿病程处于发展期和严重期的学生占70．4％。文中提出要将口腔保健内容纳入农村小学健康教育课程中，定期对儿童进行龋齿的普查普治；同时应提高全民意识，发展社区保健。 The study of oral health status of 1555 pre-school to third-grade students in 7 rural primary schools in Renqiu City, Hebei Province. The results showed that the prevalence of deciduous teeth and permanent teeth in rural students were very high (83.4% and 52.4%, respectively), and increased with age. Among them, 70 .4%. The article proposes that oral health care should be incorporated into the curriculum of rural primary health education and that children should be regularly surveyed with dental caries. At the same time, universal awareness should be raised and community health care should be developed.