Taking Chaoyang District of Beijing as an example, this paper identified Production-Living-Ecological Space in rural-urban fringe, and described the spatial pattern evolution with the help of transformation matrix and spatial analysis tools. On this basis, the spatial metrology models were selected to analyze the driving factors of space conversion. The results show that, 1) from 2005 to 2020, according to the spatial order from near to far from the city center, the scale of Production Space was reduced and concentrated, the Ecological Space formed a green ecological landscape belt in the periphery of Beijing, the Eco-Agricultural Production Space and the Life-agricultural Production Space were rapidly reduced, and the Living-Non-farm Production Space was rapidly expanded in the point-line-plane order. 2) From 2005 to 2020, the shift of Production Space to Living-Non-farm Production Space was always the main direction of conversion, the Living-Non-farm Production Space continued to gain a large amount of inflow, and finally became the largest space type in the study area. 3) From 2005 to 2010, driven by population, economy and industrial factors, the Production Space converted into Living-Non-farm Production Space, and Eco-Agricultural Production Space converted into Production Space. From 2010 to 2015, population and economic factors further drove Production Space to Living-Non-farm Production Space. From 2015 to 2020, driven by the policy and industrial factors, the Production Space converted into Living-Non-farm Production Space or Ecological Space.

This paper studies the effects of four kinds of real estate regulation policies, including home buying restrictions (HBR), home loaning restrictions (HLR), home price restrictions (HPR) and home saled restrictions (HSR), on housing prices in 29 large cities in China from February 2016 to May 2018. The policy intensity index was constructed by policy scoring method, and a fixed effect panel model was constructed. The effect of policy regulation was analyzed by focusing on the first-tier and second-tier cities of different sizes, and the effect of policy regulation was analyzed by transmission theory. The results show that the HBR and HLR can play a regulatory effect on the first-tier and second-tier cities. The HPR and HSR have certain regulation effect on the first-tier cities, but the effect on the second-tier cities is not obvious. This paper argues that government should persist in carrying out the HBR, and release policy according to the city, accurately grasp the law of the timeliness of the policy.

Based on GIS technology, the improved two step floating catchment area method is applied to study the accessibility of medical treatment in the Weifang city center area and assess the impact of graded diagnosis and treatment on the accessibility of residents with the community as the basic unit. The conclusion is that the accessibility of medical treatment in the downtown area of Weifang is multi-centered, and the accessibility of communities distributed in center, northeast and east part of the city is relatively high, and those at the edge of the central urban area is low. The medical accessibility is improved under graded diagnosis with different referral rates, However, because the second and third-level hospitals are concentrated in the central and northeastern regions, graded diagnosis and treatment will also aggravate the differences in accessibility between communities, which makes it difficult to maintain fairness. Therefore the layout of medical facilities should be improved by guiding medical resources to the fringe areas of the central city, and locating primary medical facilities in the center of the community to improve the convenience of residents.