Research on the institutional change and protection of Chinese farmers' property rights Research on the international law of protection of children’s rights Study on the institutional change and influencing factors of Chinese farmer cooperatives Research on the rational market and the protection of Chinese private capital from the perspective of the protection of the farmers' property rights Research on the realization mechanism of the contemporary Chinese farmers' land rights Research in institutional changes and transformation of China's dual structure of economy Research on the constitutional protection of the social right to residence Research on the institutional changes of China's stock issuance supervision Research on the nature of the firm property rights