Four years. After inquiring about the physical examination time of West China Normal University, it shows that freshmen, sophomores and seniors should have physical examinations, and one * * * is four years. The significance of physical examination lies in evaluating people's physical condition and exercise effect, urging people to participate in physical exercise, so as to enhance the national physique, which is the foundation of building a modern society. Through physical examination, you can master people's physical condition.