Abstract: With the sports morals, sports virtues and sports ethical methods included in the study of sports ethics, it therefore unfolds the three dimensions:foundation, application and ontology.Its basic research consists of the human nature theory of sports, sports bioethics and ethical psychology of sports, which reveal the law of nature and the law of humanity of sports; its applied research consists of sports competitive ethics, sports market ethics, sports health ethics and physical education ethics, with the basic task of revealing the social law of sports ethics.While its ontology research consists of the philosophy of sports ethics, the methods of sports ethics, the culture of spots ethics and the history of sports ethics, which focus on the integrated application of natural law, the law of humanity and social law of sports ethics.