Fifteen-Years Dynamic Analysis of BMI Index of College Student in Tianjin

According to classification of city and country, male and female studetns, this paper makes screening body height and weight from 1995,2000,2005,2010 physique health monitoring database for index calculation and grade determination. Through BMI index of recent 15 years, the relative development trend of college students' fat in Tianjin is confirmed. The result shows that physical health condition of college students in Tianjin gets further improvement in recent 15 years. The weight detection rate is decline, but the overweight in recent 15 years shows a rising trend, the improvement of the standard of living and lifestyle changes increasingly negative impact on the health of college students, the ideal weight loss and weight gain should cause the attention of the relevant departments. There is obvious difference in urban and rural areas and gender differences in BMI index of college students in Tianjin. In 15 years, the urban-rural and gender differences is gradually shrinking, the trend of female college stu