Illegal. In the risk warning issued by Jiangxi Wuyuan 20 19, it is clearly pointed out that "returning housing subsidies" is an illegal act with great risks and hidden dangers. It is obviously illegal for developers to subsidize buying a house. According to official website, this "public housing subsidy" model consists of three parts: developers, foundations and buyers. Participating in real estate promotion and rebate in the name of charity has attracted many low-income people. However, subsidies cannot be put in place soon after the project runs.