Combination drawing board

The utility model discloses a combination drawing board, comprising a base plate, surround on the side of bottom plate and install the curb plate, movable mounting has first drawing board on the curb plate, first recess has been seted up on the back of first drawing board, movable mounting has the second drawing board in the first recess, the second drawing board links to each other with the curb plate activity, form the second recess between the last bottom surface of curb plate and bottom plate, form the third recess between the lower bottom surface of curb plate and bottom plate, install the backup pad in the third recess, the both ends of backup pad link to each other with the curb plate is fixed, still install the drawer on the curb plate, the backup pad of passing through the drawer supports fixedly, still install a foot in the third recess. The utility model discloses a combination drawing board can be enough uses as the drawing board, can use stable in structure moreover, convenient to detach again as