The special regional condition and economic environment in area of Daqing were introduced, as well as the development of platform of e-commerce in area of Daqing.

Complex regional pain syndrome is a chronic condition characterized by severe burning pain, extreme sensitivity to touch, swelling, excessive sweating and changes in bone and skin tissues.

In China, by comparing the primary economic index, my paper shows the present condition of regional economic disparity, also, it analyses the tax factors that expand the regional disparity.