根据我国农村改革２０年的实践经验，中共中央十五届三中全会提出要抓紧制定确保农村上地承包关系长期稳定的法律、法规，赋予农民长期而有保障的土地使用权。这是中央给法学界提出的重大课题，也是农村改革实践向法学界提出的重大课题。青年学者陈志英、朱勇近年来围绕这一课 According to the 20 years of experience in rural reform in our country, the Third Plenary Session of the 15th Central Committee of the Chinese Communist Party proposed to step up efforts to formulate laws and regulations that will ensure the long-term stability of contracting relationships in rural areas and give farmers long-term and guaranteed land use rights. This is a major issue raised by the Central Government to the law circles and also a major issue raised by the rural reform practice to the law circles. Young scholars Chen Zhiying, Zhu Yong in recent years around this lesson