1. A method for performing multi-selection, comprising: opening and displaying an object group on a display device, the object group comprising at least one object; determining an object corresponding to a first selection instruction from the at least one object based on the first selection instruction, and establishing a first correspondence between the first selection instruction and the object corresponding to the first selection instruction; determining an object corresponding to a second selection instruction from the at least one object based on the second selection instruction, and establishing a second correspondence between the second selection instruction and the object corresponding to the second selection instruction, the second selection instruction being different from the first selection instruction; operating the at least one object based on the first and second correspondences, the operation being conducted according to the first and second selection instructions.