Movable support used for supporting tunnel construction template

An embodiment of the utility model discloses a movable support used for supporting a tunnel construction template. The movable support comprises a support body. An adjustable bottom support and a bearing and rolling device are arranged at the bottom of the support body, and the bearing and rolling device is mounted on the bottom support; a height-adjustable top support is arranged at the top of the support body; a detachable support body is arranged at the upper portion of the top support. The problem about repeated mounting and demounting of the support during casting of a top plate of a cover plate is solved by arranging the bearing and rolling device at the bottom of the support body, and construction can be performed by sliding the movable support to the other half range through the bearing and rolling device; the movable support has the advantages that construction time is saved, construction cost is reduced, and construction effect in improved.