Based on the theory of ecology and the contents of ecological city , the three concepts of health , safety , and development were introduced into the evaluation of ecological city .The index system for comprehensive evaluation model of ecological city for Xiamen City was constructed through the analysis of geog raphical environmental characters.Then Principal Component Analysis was used to calculate the target hierarchy of ecology healthy , ecology safety, and ecology development .At last , the comprehensive evaluation index of ecological city fo r each dist rict of the city was scored .Results are showed as follow s :(1)The urban planning was led to the process of nature construction and protection in aspects of ecology healthy , ecology safety , and ecology development by the comprehensive evaluation and analysis of ecological city based on ecology oriented .(2)There was a remarkable gap between districts inside island and out side island in the ecological city evaluation of Xiamen City .The evaluation indexes of Siming and Huli districts inside island were remarkably higher than those of Jimei , Haichang, Tongan , and Xiang an districts outside island .(3)The natural and human impacts were integ rated into the complex system of harmony and balance by the ecological city based on ecology oriented .The const ruction mode of the city should be led by urban layout of ecological function oriented and ecological function regionalization in urban planning , so tha tecological concepts were better integrated to urban construction .