Evaluation and Optimisation of Urban Park Spatial Layout under the Concept of Social Equity

This study takes the park green space in the central urban area of Baotou City as the research object, and uses the indicators of residents ' recreation comfort level, accessibility time and service demand. Based on the quantitative analysis and qualitative evaluation of the current situation of park green space, the spatial layout optimization model of urban park green space is constructed, and the park green space in the central urban area is planned to increase planning and new area construction. The results show that ; (1) There is a big difference in the residents ' experience of recreation comfort in the park green space ,The overall average is medium level, but the experience is not good. (2) The weighted distance of park green space service radius cost accounts for about 69.5% of the total area of park green space within 0–10 minutes. (3) Streets with high demand and extremely high demand account for 31.53% of the total green space service area. (4) According to the optimization model, it is estimated that among the five administrative regions, 13 park green spaces are planned to be added, with an increase area of about 654.49 hm ² .