Objective To analyze the long-term growth trend of children aged 0~6 years in the Kunming area,the physical development of children under the age of 7 index index system for the establishment of the Kunming area to lay the foundation. Method Kunming in nine cities across the country under the leadership of the Ministry of Health since 1975,every 10 years,to 2005,a total of four survey years period "for children under 7 years of age physical development survey study published in Kunming indicators of the regional survey data (weight,height,mean),to calculate and compare the children's physical development index (two indices). Results 1)As Quetelet Index reflects the human body and the reality of the nutritional status,assess the nutritional status of infants examination Ukraine Pu rural first high to low,the city was from low to high,showing the 1975 segment,the rural good in the city,the survey segment was a city in the rural.2)Quetelet Index in June-16 age group 1~2 short growth period of stagnation.3)The growth and development of children aged 0~6 years in the Kunming area was 1975-2005 suburban difference,the overall upward trend of the growth of wavy. Conclusion Kaup and Quetelet index can be well reflected the laws of growth and development of children.