【Objective】 To research and analysis of the long-term trend,to establish kunming area 0~6 years old children's body development index system from survey data of 30 years. 【Methods】 In kunming area of health in under the leadership of the national nine city since 1975 every 10 years in 2005 to a total of four investigation for years,"0~6 years old children's physical development investigation and study" kunming area survey data (weight,height,chest circumference of the mean value),the children's body development index (Wells vick index,height,chest circumference index) were researched. 【Results】 Wells vick index: mean was not increase along with the growth of the age by low to high from born to 3 months to peak,later along with the growth of the age and the mean was declined,the turning point of the main was 3 months after birth in 0~6 years.Preschool has been at the stage of decline after birth.This Kunming index of 10~12 months were the same to at birth.Height bust index rose to high after born to 1 months and decreased along with the growth of the age ,and no increase trend at preschool.Rural development the city,only a year section,1995 was better in the rural city.The highest average of 30 years was better than in 1975 in Duannong male group survey,and the value was not beyond.But since the 3 years old group of 2005 years,the city mean index had shown the beyond trend of rural children of the same age. 【Conclusion】 0~6 years old children's growth and development of 30 years in Kunming area showed the wave shape of the growth trend.