Since reforms and open policies were initiated

Nanchong city has been constructed as a center of northeast Sichuan Province by modifying its old districts and selling its land. However

the caused soil erosion is so severe that it restricts Nanchong city's developments.Analyzing the human factors resporsible for soil erosion in Nanchong City

the author pointed out the following three reasons-vegetation destruction caused by farming

encroaching farm land for urbanization and setting up many infrastructures.Based on above analyses

some suggestions are given that we should heighten public awareness

and restore vegetation and wetlands.For the sustainable development of the city

the suggestions should be implemented by enhancing administrative management and propagandizing viewpoint that plant more local trees in the city.