To provide the basis for college students' accurate employment, the efficiency characteristics of construction industry in Jiangsu Province were studied by the method of DEA-SBM model. The results show that:In terms of quality, the comprehensive efficiency of construction industry in Jiangsu Province is poor, however, the construction industry in Suzhou and Nantong is efficient. The inefficiency of construction industry in Jiangsu Province is mainly determined by the output inefficiency, and the production status of construction industry provides conditions for full employment of college students. In terms of prefecture level city, the efficiency level of construction industry is affected by pure technical efficiency or scale efficiency in different regions, and the efficiency analysis plays an important role in diversified employment choice of college students. Based on the results, some suggestions are put forward to improve the production efficiency of construction industry in Jiangsu Province and meet the needs of college students' scientific and reasonable employment.