In competitive sports, in accordance with its provisions of articles of association and relevant regulations, sports organizations have the right to punish the behavior of violating the principle of equitable liability, damaging sports morality and spirit as well as sports rules, and the penalty has legitimacy. It can be said that disciplinary punishment plays certain role in maintaining good sportsmanship and discipline as well as contest order. However, the nonstandard punishment of relevant sports organizations always leads to many disputes and makes the fairness and justice of penalty be questioned. Relevant legal issues of penalty is discussed in this paper, so as to provide reference for the specification of disciplinary penalty of China sports.