Abstract: ObjectiveTo explore the situation of growth and development in Mongolian students and to provide reference for the study on physical health condition of Mongolian students.MethodsTotally 3 180 Mongolian students aged 6-18 years were selected from Tongliao city,Inner Mangolian Autonomous Region.The height and weight of the students were measured and analyzed.ResultsThe average annual increments of height and weight were 4.9±2.8 cm and 3.7±1.7 kg for urban male students,4.7±2.6 cm and 3.4±1.7 kg for rural male students,3.9±3.0 cm and 2.8±1.7 kg for urban female students,and 3.8±2.8 cm and 2.8±1.7 kg for rural female students,respectively.The average height and weight of the boys were significantly higher than those of the girls among the studetns aged 14-18 years(P<0.01).ConclusionThe body height and weight of Mongolian students aged 6-18 years incease with the increment of age.There is a difference in physical development between male and female students,whereas no difference betweeen urban and rural students.