The utility model provides an operation device is examined and repaired to information computer lab fortune dimension for make things convenient for the installation of accomodating of display, mouse, keyboard etc. Be equipped with first walking wheel in the bottom of tool cabinet, be equipped with the mounting bracket at the tool cabinet top, place the workstation on the mounting bracket, at articulated display and a pair of first bracing piece installed in the top of workstation, at the both sides of display articulated installation second bracing piece respectively, two second bracing piece and two first bracing piece one -to -ones, be equipped with the mouse chamber at the top of workstation, at the rotatable mouse pad of installing in the upper portion in mouse chamber the joint has mouse on the terminal surface of mouse pad, be equipped with the keyboard chamber of slope at the leading flank of workstation, slidable mounting has the keyboard support in the keyboard chamber. The device can realize accomodating the folding of display, mouse and keyboard, plays protection and dirt -proof effect.