Abstract: The rule of law is an inevitable way for competitive sports as well as a compulsory option for the ethical cultivation of Chinese professional football players. In the face of the current issues of violence, doping and cheating in professional football players, the rule of law is needed.The following strategies are therefore proposed:to enforce sport legislation and improve legal system in the field of football in accordance with the laws of our country so as to manage the professional football league matches in a legal way; to deepen the reform of the football system and build relevant supervision institutions so as to push the reform of the football administration system; and to improve the management system and moral construction of professional football players.Meanwhile, the cultivation of scientific and cultural qualities as well as the moral and legal awareness should be emphasized in order to develop the proper ethics for the players and formulate a moral restriction to themselves.