Cangzhou Tiancheng Xiyuan is a low-rent house. According to relevant data, there are 296 sets of public rental housing allocation schemes in Cangzhou, involving Yalong Bay, Auspicious Tianzhu, Huayuan Tianxia, Tiancheng Classic, Tiancheng Xiyuan, Yihe Phase III, Cangxing Yipin and other 15 communities. Low-rent housing means that the government provides social security housing to families who meet the minimum living standard of urban residents and have housing difficulties by means of rent subsidies or physical distribution. The distribution form of low-rent housing is mainly rent subsidy, supplemented by physical distribution of rent and rent reduction and exemption. According to the Notice on the Parallel Operation of Public Rental Housing and Low-rent Housing jointly issued by the Ministry of Housing and Urban-Rural Development, the Ministry of Finance and the National Development and Reform Commission. 20 13 178), since 20 14, public rental housing and low-rent housing have been running in parallel all over the country, collectively referred to as * * *.