Abstract: The fair responsibility isn’t a civil responsibility in tort law of China no matter from its history development,legal rule or basic principle of the civil law.The fair responsibility principle isn’t the rule of responsibility attribution,too.The fair responsibility is really a legal debt,you can call it "legal compensation".It is the debt relation that is produced for legal rule between the parties who have no law relationship with the other parties and its object is to give some money.The understanding has the foundation on the theory and can be accepted for the parties according with the moral ideas of the Chinese.