There are a lot of surplus agricultural labors in China for a long time.In 1997, the number of this kind of labors is about 180 milion, but the difference of the surplus degree among provinces is great. Its being detained seriously restricted the development of social-economy and the economic price amounts to 17875 billion from 1978 to 1997, which is equal to 40% of GDP of the recent 20 years.The differences of the price among provinces are very large, too.According to the differences of surplus degree and different economic price among provinces, we can divide thewhole country into four regions.They are the region from the upper reaches of the Chang-jiang to the Zhu-jiang valley;the region of the middle and lower reaches of the Chang-jiang;the region of the Huang-he valley;and the region of northern China.
