The invention provides a wireless sensing control network system and method for controlling an electronic device. The wireless sensing control system is a three-layer system which comprises a main controlling node, converting nodes and terminal nodes. Particularly, the wireless sensing control network system of the invention provides: (1) channel-management and changing method; (2) auto-configuration method; (3) terminal node configuration method; (4) terminal node pairing method; (5) network control method and (6) technology for distinguishing between correct signal and error signal.