This paper mainly discusses how to use the method of input-labor force occupancy-output to make labor force study.From the perspective of current situation and data acquirability, the paper analyzes the availability of making the tale of input-labor force occupancy-output, and proposes the corresponding specific methods.The focus of this paper is to use input-labor force occupancy-output technology to make economic analysis.In details, the technology includes how to analyze labor force structure, the pull force of production on employment, and from input-labor force occupancy-output table to infer the input-output tables of both live labor force and the complete labor.