Objective To understand the nutrition status of Tibetan children aged under 7 years in Sa'gya county. Methods A cross-sectional study with a sample of 1 884 children aged under 7 years was conducted in Sa'gya county.Height and weight of all subjects,hemoglobin of randomized selected 6 months to 6 years children were measured.Malnutrition and anemia were diagnosed according to the WHO criteria. Results Prevalence of stunting and underweight for Tibetan children aged under 7 years were 30.31% and 28.87%,respectively.The difference was significant between males and females.The 1~2 years group had highest level of malnutrition.Prevalence of anemia was 48.22% for Tibetan children between the ages of 6 months and 6 years.6 months to 1-year-old group had highest level of anemia.The prevalence of anemia decreased with increasing age. Conclusion s With the evidence of our study,the nutrition status of Tibetan children under the age of 7 years in Sa'gya County is poor.Malnutrition and anemia are in common.More attention should be paid to promote the health status of them.