An electronic device and a method for implementing an icon board based operation interface thereof are provided. In the method, a plurality of areas within a screen frame on a screen of the electronic device are arranged for respectively displaying a plurality of function boards, in which each of the function boards is corresponding to one of a plurality of main functions supported by the electronic device. For each main function including at least one sub-function, a sub-function icon thereof is generated according to a relevant historical operating information, and a main function icon of the main function and the sub-function icon of each sub-function are displayed together on the function board of the main function.