Situation of shifting the investment structure is very importance for the purpose of economic development in Thai Nguyen. The investment capital flows are not equilibrium in economic sectors of province. Other hand, domestic and foreign investors have wanted t6 invest the capital for projects in industries in that they could have got higher interest rate. As the result, some economic industries grow with over capacity of economic as demand of Thai Nguyen economy, so that economic capacity is not effective, polluted environment and influent to unstable economics development. In other hand, shifting the investment structure policies of Thai Nguyen is not good for the purpose of economic development. However, there are some reasons and their solutions, this paper studies base on solving, Analyzing and evaluating the relationships between investment structure shifting and the economic structure in Thai Nguyen province on realizing the real situation of investment structure and its transfer in Thai Nguyen province from 2005 to 2013, the writer has recommended several suggestions of carrying out main solutions for shifting the investment structure for the purpose of economic development in Thai Nguyen until 2020.