Provided is a gas utensil monitoring method applied to a remote control system. The remote control system comprises a plurality of gas utensils connected with a repeater. The repeater is connected with a remote controller via a network. The monitoring method comprises that a user inputs an instruction for controlling a specific gas utensil into the remote controller; that the instruction is transmitted to the repeater via the network; that the repeater generates a control signal according to the instruction and transmits the control signal to the gas utensil to control the gas utensil; that a detector on the gat utensil is used for detecting a plurality of pieces of data in the operation of the gas utensil and transmitting the data to the remote controller to be analyzed; and that when at least one of the pieces of the data is abnormal, service information is displayed on the screen of the remote controller in order that a user carries out further subsequent processing immediately.