The invention provides a novel gas stove and a gas flow rate control device for the gas stove. The gas flow rate control device for the gas stove provided by the invention comprises a driving device, a valve body and a piston part, wherein the valve body comprises an inner cavity, a gas inlet and at least one gas outlet, the gas inlet and the gas outlet are respectively communicated with the inner cavity, the piston part is arranged in the inner cavity, and the driving device is used for controlling the position of the piston part in the inner cavity and further controlling the break-make state and/or the communication degree of the gas outlet and the gas in the inner cavity. Through the adoption of the technical scheme, the gear number of the gas stove can be conveniently increased.