The invention relates to a method for implementing a C&B (Compensation and Benefit) module in HCMexpress, and the flow of the method comprises the steps: S01, inputting a calculation rule; S02, importing / selectively recording changed current account data; S03, calculating pre-tax addition and deduction items; S04, calculating the individual pre-tax income; S05, calculating mandated benefits; S06, calculating the individual income tax; S07, calculating the after-tax addition and deduction items; S08, calculating the individual after-tax income; S09, calculating the extra cost of a company; S10, calculating employment cost; S11, carrying out the data verification and confirmation; S12, calculating an individual pay sheet; S13, calculating statistical statement elements, wherein steps S02, S09 and S13 can be selected not to be executed. The method is advantageous in that the method is simple and easy, and improves the service efficiency of an enterprise; an attendance check table is imported after a compensation scheme is set, and a system automatically calculates the compensation; after the compensation is checked, the method can achieve the automatic grouping according to a payroll payment bank, and generate a corresponding bank offer file.