【Abstract】 made in good faith system is civil law in modern times, civil law and common law legal system, an China's goodwill on the real estate can be applied to obtain the system of "property law" before the promulgation of legislation is not clear that considerable academic debate, the mainstream view is Theory, such legislation and the unknown has led to confusion in the trial Promulgated a new "People's Republic of China property law" can be said to be one of China's civil law system, the landmark law, the law established in a number of important new system of civil law, real estate acquired in good faith in the system of property rights is one an important In this paper, comparative law, the existing law, the point of view of academic theory, demonstrated in China's real estate acquired in good faith to establish the need for a Key words real estate; "People's Republic of China Property Law"; the principle of public trust; well-made system