Movable supporting plate

The utility model belongs to the field of supporting plates, and discloses a movable supporting plate which comprises a supporting plate body, two inserting grooves are formed in the lower portion of the back face of the supporting plate body, the bottoms of the two inserting grooves are communicated with the outside, two fixing supports are inserted into the two inserting grooves in a connected mode, a plurality of mounting holes are formed in the fixing supports, and the mounting holes are communicated with the two inserting grooves. A plastic flat-head machine-grain screw and a plastic pointed-head machine-grain screw are installed in two of the installation holes in each fixing support respectively, the plastic flat-head machine-grain screw and the plastic pointed-head machine-grain screw are both fixedly connected with marbles, concave positions are formed in the inserting grooves, and the concave positions are connected with the marbles in an inserted mode. According to the scheme, the movable supportin