Novel teaching aid for law teaching

The utility model relates to a novel teaching aid for law teaching. The on -line screen storage device comprises a base, the lower part of base is equipped with the gyro wheel, and is equipped with fixing device on the gyro wheel, the top surface center of base is equipped with the telescopic link, the one end that the base was kept away from to the telescopic link is equipped with the pivot, the one end that the telescopic link was kept away from in the pivot is equipped with the circular shape desktop body, the top surface of the desktop body is equipped with spacing all around, the top surface center of the desktop body is equipped with the backup pad perpendicularly, the backup pad is the cuboid structure, the bilateral symmetry of backup pad is equipped with the locker, and the locker to be located the desktop internal, the locker is equipped with the lid through the hinge, two sides of backup pad all are equipped with the blackboard, the top of blackboard is equipped with horizontal recess, install the