a gas switch capable of adjusting fire intensity finely includes a gas switch capable of adjusting fire intensity finely , comprising a switch body inside which a guide is installed , a valve set that revolves inside the switch body and includes a hollow valve and a pilot valve moving elastically through the valve , a drive component installed inside the switch body , which contains a rotating rod that can move along and rotate round the same shaft of the valve set , a guide rod placed on the rotating rod and leaning on the guide , a regulating block installed movably at one end of the rotating rod and leaning against the pilot valve , and a connecting component for linking the drive component with the valve set flexibly .