The invention relates to a movable pressure regulating small house. The gas inlet end is provided with a conical filter located on the outer side of a movable small house body, a pressure control system is composed of a safety shut-off valve, a monitoring pressure regulating valve and a working regulating valve, wherein the safety shut-off valve, the monitoring pressure regulating valve and the working regulating valve are connected in series in sequence from the upstream to the downstream, a gas source distributor is a pressure source taking part of the safety shut-off valve and the monitoring pressure regulating valve, and a pressure measuring point is arranged at the downstream end of an outlet flange of the working regulating valve; a pressure gauge assembly adopts a spring type pressure gauge, a dial is of a mechanical pointer type, the pressure gauge assembly is provided with a double valve set and a welding root valve for matched use, the pressure gauge assembly is located on one side of the gas source distributor, and the other side of the pressure gauge assembly is provided with a pressure transmitter assembly; and the lower side of the movable small house body is a skid body base, instrument power boxes are arranged below the gas source distributor, the pressure gauge assembly and the pressure transmitter assembly, and the instrument power boxes are installed on the skid body base. The house has the advantages of stable pressure, wide application range, rain prevention, dust prevention, high temperature resistance and thievery prevention.