Optimizing the spatial layout and supporting conditions of urban life service facilities is conducive to promoting social equity and justice and improving residents' happiness. Meanwhile, it has important reference for urban planning. Changsha city life service facilities based on interest points (POI) data, the use of standard deviation ellipse, correlation analysis, CRITIC method, explore the living facilities supporting space, the results show that: 1. All kinds of life service facilities spatial distribution in the same direction, the whole northwest to Southeast; the life of all kinds of facilities in the space between 22 different. Health care, education, shopping, dining and residential high correlation, low life and leisure facilities for the high rank correlation; life supporting area presents a single center layout, the secondary core area along the traffic trunk scattered pattern.