Purpose of the study: This paper deals with problematic issues related to the legal nature of a marriage contract. It also determines the contents of a marriage contract, which is regulated mainly by Article 19 of the PRC Law "On Marriage" of 2001 and the basic principles of civil law inherent in contract law in general. Methodology: A common example is the cases when spouses agreed to transfer immovable property from one spouse to another after marriage, but in practice, the spouses did not register changes on the status of the immovable property. In the event of a divorce, one of the spouses requires to recognize the ownership of the real estate and register the changes, while the other spouse disputes that point. Results: In recent years, marriage contracts have become increasingly popular in China, but special regulations on them in China's Marriage and Family Law are still unavailable. There are a lot of disputes and issues in practice relating to the definition of a marriage contract. In this regard, the question of the legal nature and content of a marriage contract is the subject of debatable research in Chinese legal doctrine. Applications of this study: This research can be used for the universities, teachers, and students. Novelty/Originality of this study: In this research, the model of Revisiting the legal nature and content of a marriage contract in the modern law of the PRC is presented in a comprehensive and complete manner. © Naixinal.