Opening up of west region and development of international trade in light industrial products should be boosted vigorously while carrying out the strategy of Grand Exploitation of West Region. The hardest issues facing by the development of light industry in west region are insufficient investment and difficulty in financing formation. This paper analyzed the current situation of investment supply and demand as well as formation channels for light industry in that area. This paper also discussed the financing demands for developing light industry as leading industry. Finally, it proposed directive thoughts and fulfilling methods in west region light industry financing under the current national mechanism and environment.