Does city construction improve life quality?-evidence from POI data of China

To explore the construction of a big data indicator system is conducive to a comprehensive, scientific, timely and accurate grasp of the quality of life of our residents and its evolutionary trends. This paper systematically sorts out the performance dimensions of the residents' quality of life, and integrates two types of methods of objective observation and subjective evaluation commercial POI(Point of Interest) data. From the aspects of life, entertainment, transportation, etc., preliminary development has been made including 8 first-level indicators, 16 second-level indicators, and 27 third-level indicators Big data indicator system, and measure the "clogging point" of the improvement of residents' quality of life, with a view to providing a scientific and feasible decision-making reference for "meeting the people's increasing needs for a better life".