>Domestic regional economic cooperation in china is special outcome that economic transited from planned economy to market economy，a crucial element to build up a unified modern market system in china.Its motivation for development comes from market economy reform，government intervention，demand of industry development and infrastructural construction，economic development and coordinated development of ecological environment.Currently，domestic regional economic cooperation in china have the following special features：integration among several regional；conversion from closed economy to open economy；cooperation regional enlarged swiftly；hot spot shift from east area to central and western areas；operating mechanisms is converting from government leadership to market leadership；organization become more efficiency；expand cooperation field according to assets conjunction，resource superiority，optimized combination of production factors.