Research on the legal protection of the right of contractual land managements research on the legislation of network platform management Research on the legal protection of patients' rights Research on the legal protection of equal development rights of children in distress Research on the reform and practice of the circulation of the management right of our country rural land contracting 并列题名：Study on legal system for the circulation of the right to land contractual management research on the legal regulation with responsible government Study on legal system for the circulation of the right to land contractual management