Self-service terminal

The utility model provides a self-service terminal which comprises a shell and an electronic system arranged in the shell. The shell comprises a bottom shell; a mounting base is arranged on a side surface of the bottom shell and comprises an opening arranged on the sidewall of the bottom shell and a first installation mechanism located on the inner side of the sidewall. The self-service terminal further comprises a structural member mounted on the mounting base; the structural member comprises a basal part capable of plugging the opening of the mounting base and a second installation mechanism laterally extending from the basal part, and the installation mechanism cooperates with the first installation mechanism so as to allow the structural member to be detachably fixed on the bottom shell. The self-service terminal provided by the utility model can be flexibly configured and has a compact structure.