Research on P.E. at school based on complexity theory of visual threshold

School physical education and the conventional methods and form has been hard to master many complex problems facing the modern school physical education.School physical education is mainly based on the complexity science is different from the previous "linear" and "reductionism" way of thinking, "to the non-linear thinking, thinking, thinking, thinking the relationship between operation mode of school physical education.This paper mainly describes the physical education as a complex system contains, complexity of education object, education structure, education method, education environment.At the same time, points out that school physical education should go beyond the reduction thinking, realize the education as a whole, to prevent the dependence of physical education, emphasis on physical education consciousness of reflection, to break the conservative thinking mode of static, physical education, innovation, simplistic tendency to reverse the education method, attach importance to comprehensive education method.