The invention discloses a sulfur hexafluoride gas cylinder carrier vehicle which comprises a vehicle frame. The vehicle frame comprises a base, a containing groove and a bearing groove, all of which are sequentially and fixedly connected from bottom to top. The base comprises two vertical boards arranged at the symmetric positions of the two sides of the bottom of the containing groove. One end of each vertical board is provided with a handle, the other end of each vertical board is provided with a sliding way and a sliding board matched with the sliding way, front idler wheels are fixed to the symmetric positions at the two sides of the bottom of each sliding board, and rear idler wheels are fixed to the symmetric positions of each vertical board. A transmission mechanism is arranged in the containing groove. The carrier vehicle can be folded and is convenient to transport, high in safety and convenient to use; and the carrier vehicle is provided with a temperature control device which is provided with a heat preservation layer, sulfur hexafluoride can be prevented from being condensed at the low temperature, the heat preservation performance is good, and the attaching performance of the heat preservation layer and a heating layer is good.