Based on the national survey on students' constitution and health, this paper selects data of the body shape, physique and quality of college students in Hunan (1985-2005) for a comparative analysis on the change of college students' constitution and health in the last two decades. Through a lateral and longitudinal comparison, we can understand the constitution condition and features of college students in Hunan, as well as their developmental pattern and tendency, which serve as reference for future legis...