The invention is about a labor cost monitoring and analysis system. The labor cost monitoring and analysis system comprises a decision support module, a business processing module and a self-service module; the decision support module is used in display of a budget early warning, report query and an opinion feedback of a labor cost project; the business processing module is used for flow business data during issuing and report labor cost of various units; and the self-service module is used to fill in and submit a report when the report is reported, summarize, and examine and approve a to-do list of approval. Multi-dimensional, multi-index and multi-display-mode statistic analyses of labor cost data of more than 100 subordinate constituent companies and 100, 000 employees is achieved through establishment of different data models.