Since the reform and opening of 1978, China's agricultural production has experienced from the traditional mode of production to the modern agriculture. Farm production rises year by year, the increasingly rich varieties, economic crops, large-scale cultivation on economic crops and anti-season crops; township and village enterprises also gradually get rid of the form of small backward cottage. The enterprise scale and business scope grow bigger and bigger, has higher degree of automation and modernization. This series of changes made the farmers' income increase. Rural infrastructure and rural economy have made great development, but at the same time, there also appears land degradation, soil erosion and a series of prominent problems. To develop ecological agriculture, constructing and improving the law system of ecological agriculture is imminent.