Abstract: The article explains that Sino-foreign Joint School running is a sort of act of law that causes inevitably the emerging of legal relationship among the subjects. Due to the difference of the legal status of subjects of Sino-foreign Joint Schools, different subjects have different rights and obligations. Against the problems of unclear legal status of subjects, confounded rights and obligation, and ultra vires acts raising from the practice of Sino-foreign Joint School running, the article, from the view of law, deeply analyzes and draws a distinction on the sorts of the subjects and the criterion of distinguishing the sorts, the respective legal features, rights and obligations and relationship of the subjects.