Research method: The paper analyses the necessity of "two-layer Separating“ by adopting comparison and analysis techniques; and points out the problems of employing a great deal of farmer-worker and the measures adopted by the government to regulate the construction-labor market through analyzing the labor usage status of construction corporations.
Research conclusion: The building of Labor service company can bring construction enterprise benefits as follows: (1) There are fixed and skilled labors to assure the quality of the project; (2) It is the foundation of "two-layer separating“ for construction enterprise; (3) It can promote the optimum collocation of resource to improve the corporations' producing capability; (4) It can facilitate reducing the project cost; (5)It is useful for reducing the bothers of labor and capital. The administration layer and the labor layer can organize the p响ect department together and collaborate effectively by labor-subcontract after "two-layer separating“.