According to human capital theory and the reality of Xinjiang Farming Corps, human capital of Xinjiang Farming Corps can be classified into three types such as general type, technological type and business management type. Based on this, this paper analyzes and discusses general human capital investment model in the aspects of regular education, health and health --care, farming technique cultivation, labor transfer and so on. Present human capital investment method and model are still worth discussing and the problem is that the human capital investment is higher but the return is lower in the corps. The combination investment model which chooses favorable investment model based on the reality of the corps according to human resources value and specialty of different human capitals can solve the present problem in higher investment in human capital but lower return.