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Is the focus of attention from researchers with the high speed development of economy and the process of urbanization continues to accelerate, atmospheric pollution, ecological environment deterioration problems have become increasingly prominent, many cities have launched a ecological garden city to create the work, how to establish an effective evaluation index system. The on the basis of the original index system, according to the principles of evaluation of Ecological Garden City, the economic environment, ecological environment, environmental protection and infrastructure as the evaluation index, and uses the AHP to the weight distribution of the indicators. At the same time, take Qinhuangdao city as an example, the level of ecological garden construction is evaluated. The results show that the method is effective and has a certain persuasive power. Introduction Urbanization is the inevitable social and economic development, also brings a series of urban problems and environmental problems, has intensified the contradictions between human, resources, environment and urban ecological environment has been varying degrees of damage, the survival and development of human constitute a real threat. Therefore, how to maintain the sustainable development of the city, maintain the virtuous circle of the city's ecological environment, make the city and the natural coexist, and the harmony between man and nature become the important research subjects.[1-2] The on the basis of existing ecological garden city standard evaluation, were further perfection and supplement, to build a new ecological garden city evaluation index system, and analysis to determine the weight of evaluation index system of evaluation index by using analytic hierarchy process. To Qinhuangdao ecological city as an example, the ecological garden city construction of comprehensive evaluation, analyzes the problems existing in the process of building, and combining with the actual situation, put forward feasible countermeasures and suggestions. Summary of ecological garden city The connotation of ecological garden city. Ecological garden city is a reasonable structure, functional efficiency and relationship coordination of urban ecosystem, is the development direction of landscape construction, is the indispensable important condition to realize the urban sustainable development, is on the basis of the garden city according to the characteristics of the urban landscape construction in China, to improve the urban ecological environment, promote the sustainable development of city of our country the new concept of urban construction. Ecological garden city the ecological and ornamental, sustainability, integrity, and regional characteristics, the natural conditions, people thought consciousness, the influence of factors such as urban construction situation [3-4]. The principle of constructing ecological garden city. 1. Adhere to the people-oriented principle City is a highly populated area, so we are in the process of city construction must adhere to the principle of interest of residents, and shall adhere to sustainable development strategy, and do it International Conference on Applied Science and Engineering Innovation (ASEI 2015) © 2015. The authors Published by Atlantis Press 1046 with the person this, through our actual effort to build our city into a beautiful environment, the ecological balance of a comfortable, beautiful livable city. 2. Insist on the principle of environmental priorities Beautiful environment can provide a good living environment, but also can attract more people to invest in our city employment, promote the development of the city. Therefore, we want to environmental protection in the urban construction as the key point, strive to build a city with beautiful environment, in order to promote the overall harmonious development of the city. 3. Adhere to the principle of adjust measures to local conditions In the process of constructing ecological garden city we should stick to adjust measures to local conditions, starting from the practical principle, according to the ecological environment in different areas of the foundation to develop different development strategy. Around the ecological garden city construction activities and economic development are closely related, in the construction of ecological garden city, should avoid getting rich quick, and want to combine economic development around the set realistic goals, to promote coordinated development of economy, society and environment. 4. Adhere to the principle of urban and regional coordinated development Ecological garden city create activity requires us to do urban and regional harmonious development, form the complete urban green space system, make the rational distribution of urban green space. Evaluation index system of ecological garden city construction Ecological garden city creation is a complex work, judge whether a city achieving ecological garden city standard requires us to establish a set of objective, suitable evaluation index system of ecological garden city, this will create and realize the city to promote the ecological garden city sustainable development play a positive role. Select the evaluation index. According to the principle of the evaluation index system of Ecological Garden City, the economic environment, ecological environment, environmental protection, and infrastructure are the primary evaluation index. As shown in figure 1. Fig.1The evaluation index system of ecological garden city 1. Economic environment Including the per capita gross national product, third industry output value, per capita income per capita, disposable income. 2. Ecological environments Including green coverage, built-up area green rate, per capita public green space. 3. Environmental protections Including the air pollution index is less than 100 of the number of days, the urban water quality standards, the harmless treatment rate of domestic waste, industrial waste comprehensive utilization, motor vehicle environmental detection rate, comprehensive pollution index.

Evaluation and case analysis of ecological garden city index