【Objective】 To get the epidemiological message of simple obesity and hypertension with primary and middle school students in Huai'an city. 【Methods】 The epidemiological survey of 22 307 primary and middle school students aged 6~17 were carriedout in the city proper of Huai'an.Body height,body weight,systolic blood pressure(SBP) and diastolic blood pressure(DBP) were measured and body mass index(BMI) was calculated eventually. 【Results】 The detection rate of overweight and obesity with primary and middle school students aged 6~17 in the city proper of Huai'an were 14.31％ and 10.16％,among the total the rate of school boy were 16.69％ and 13.07％ compare to girl student with the rate of 11.56％ and 6.80％ which indicated the detection rate of overweight and obesity with school boy was obviously higher than that of girl student(P<0.01), SBP and DBP with school boy and girl student in obesity group and overweight group which was higher than 90 and 95 percentile rank were more than that of normal weight group(P<0.005). 【Conclusion】 It is serious of epidemiological of tendency simple obesity and hypertension with 6~17 primary and middle school students in Huai'an,and we should pay much attention to them.