目的:了解儿童乳牙龋齿患病情况。方法:对遵义市汇川区3所幼儿院2536例儿童龋齿资料进行调查分析。结果:2536例儿童患龋率为34.66%,儿童乳牙患龋率随年龄增长而增加。结论:乳牙早期护理、定期体检、合理膳食、良好的口腔卫生习惯可有效预防乳牙龋病。 Objective: To understand the prevalence of deciduous dental decay in children. Methods: The data of 2536 children with dental caries in three nurseries in Huichuan District of Zunyi City were investigated. Results: The prevalence of caries in 2536 children was 34.66%. The caries prevalence of deciduous teeth in children increased with age. Conclusion: Early deciduous teeth care, regular physical examination, reasonable diet and good oral hygiene can effectively prevent deciduous dental caries.