Gas stove and flame control method

The invention relates to a gas stove and a flame control method. The gas stove comprises a burner assembly, a burner part, a valve body assembly, a lifting part and a controller assembly. The burner component is arranged above the furnace end component, the lifting component is arranged in the center area of the burner component, the valve body component is connected with the furnace end component, and the valve body component and the lifting component are both connected with the controller component; and the valve body assembly provides gas with preset flow for the furnace end assembly according to the real-time state of the lifting component, so that the burner component generates flames, and the real-time state comprises a compressed state and an extended state. The lifting part is arranged in the center area of the combustion part, the placement state of the cookware above the furnace end assembly can be automatically monitored through a mechanical device, and the flame state can be automatically adjusted