The invention discloses a salary calculation method, an application server and a computer-readable storage medium. The method includes: creating a salary calculation task; disassembling the salary calculation task into multiple father tasks and multiple child tasks; and combining preset calculation formulas to carry out parallel calculation on personnel salary, which corresponding to the same tasks, according to parameter information corresponding to the multiple father tasks and the multiple child tasks. According to the salary calculation method, the application server and the computer-readable storage medium of the application, CPU resources are fully utilized, salary calculation efficiency is improved, and an error rate is effectively decreased.