The invention relates to a human resource assistant decision-making system, which comprises a system interface module, a personal center module and an assistant decision-making analysis platform, thesystem interface module is connected with an existing human resource management system interface to obtain basic data; the personal center module constructs a cross-platform employee personal center,so that employees can freely and conveniently carry out personal career assistance; the assistant decision analysis platform establishes an employee ability model through resumes, educational sums, professional qualifications, work experiences, teaching training, talents, comprehensive ability quality evaluation and other ability description; and according to historical data mining, establishing agrading model for the post capability of the employee and the like. By analyzing the basic information, decision suggestions are provided for the user or an analysis result expected to be seen by theuser is directly displayed in an image-text chart mode.