Study on ecological security of Yanliang aviation industry

Applying the ecological footprint method, carrying out ecological security studying to the particular industry cluster of Yanliang, in Shaanxi Province. By calculating the Ecological Footprint of the area between 2000 and 2007, further, obtaining the Ecological security index of the area, The result shows that Regional ecological security index declined in general, although there are occasional non-directional floating, regional ecological quality had a lowing trend, this should be taken great importance by the regional government, and then proposed some suggestion to improve the poor status.