Abstract: A light fixture remote controlling system comprises a remote host and at least one light fixture; wherein the remote host has a monitoring software, electrically connected with a first wireless transmitting/receiving module and a first power amplifying module; each light fixture is provided in the body thereof with an AC-DC converter for a connection with a power source, a photoelectric module, and a controlling circuit electrically connected between the AC-DC converter and the photoelectric module, respectively; wherein the controlling circuit is integrated with: a dimming module; a current/voltage stabilizing module; a second wireless transmitting/receiving module; a voltage/current detecting module; a second power amplifying module; and a signal processing module.