On Research Of Possession System

China's new real right law firstly stipulates for the possession system, which fills a vacancy in china's legislation of proprietary right. In order to have a sound grip of possession system, the author readed, analyzed and compared scholars'works, articles of real right law, etc. This paper reveals the possession as a de facto instead of a feature of the right, shows a special trait and function of the possession system, by the way of analyzing concept, character, effect, value and classification of the possession and origination of the possession system. Further, the author's original view embodies a legal protection of the possession without right, a compose of goodwill possession about movable property, a value on the system of the restitution of proprietary right, a defect about real right of the other part, a valuation and comment on improving china's real right law.