Abstract: Moral construction is a fundamental and strategic project to accelerate the construction of a leading sports nation. Sports ethics mainly include: the theoretical system, the behavior restraint and style guidance system, the spirit-leading and value-oriented system. In process of speeding up the leading sports nation construction, we should adhere to the principle of governing body by sports ethics which include integrating sport ethics into school physical education, giving Chinese sports spirit a leading role, creating a good environment, enlightening social sports morality, and strengthening system construction to guarantee the cultivation of sports morality.