Time series analysis for physique change of chinese middle-school students

Teenagers are the future of the motherland, and the prospect of motherland needs to be created by them. The health of teenagers is a big problem related to the whole society. In this paper, the research is made on the physical situation of Chinese middle school students from 2000 to 2001. The author makes data statistics in accordance with the indexes, makes comprehensive evaluation and uses the time series analysis to fit models. The schools and families shall attach more importance to this phenomenon. Schools shall increase the investment in the hygiene of physical exercise, encourage the students to take active part in the physical exercise, strengthen the publicity and guidance in the fields of hygiene and health, reduce the course load and adjust the time arrangement at school, so as to make them more reasonable. Parents shall pay more attention to the coordination with schools, change the learning-based concept, attach more importance to the reasonable diets and guide the students to do physical exercise, so as to improve the physical quality and promote their physical health.