A method for controlling an electronic device. The method comprises: a control terminal starting a service of a self-organizing network, and initializing and displaying an information table of electronic devices currently on the self-organizing network; sending, based on an electronic device selected from the electronic device information table by a user, an update request to the electronic device through a network route of the self-organizing network; receiving device function information fed back by the electronic device according to the update request, and establishing a function calling table according to the device function information; and displaying a control UI of the remote control terminal according to the function calling table and sending an execution instruction to the electronic device according to a function item selected by the user. A control terminal and a system for controlling the electronic device. Unified management of various electronic devices is implemented, thereby providing convenience.