Nowadays ethics has been deteriorated in society and the social culture had gotten worse. This article researched into the factors of the general ethical loss and the stray behaviors in the sports field in domestic or foreign countries. First, we talked about what is "righteousness". Second, we explained the sports ethics trend and the knowledge that sports ethics seeks for. And then we probed into the contents of the sports ethics, including the meaning of ethics, sports ethics. The meaning of sports virtues, and the rules fro sportsmen. At last, we emphasized that in the violent competition in sports, the existence of the "sports nature", "sports virtue", and "sports spirits" is worth our while. We should realize that in the exercise activities with educational meaning we must keep our noble characters even in the highly competition situation. When sportsmen face the choices of the sports ethics judgment (the behavior of gentlemen), they must keep some kinds of sports rules and have right judgments. This article summarized all the referent information and pinpointed on the subject by analyzing systematically. It gave the whole explanation for exercise activities and the relations that between the sports ethics and sports virtue. Its purpose was to rebuild the foundation of human beings ethics. The shortage of this article was that it didn't use the historic study method. We hope that this article will be useful to sportsmen with the upward way for sports ethics judgment and make "sports spirits" and "sports ethics" not to be slogans. To go a step further, we hope it will make sportsmen attach importance to the sports ethics. In short, our motivation and ultimate purpose was to bring up a distinctive viewpoint for the importance of sports ethics.