Multifunctional support

The utility model discloses a multi-functional rack, comprising a square shaped fixing rack, wherein end portions are all fixed on two parallel connection bars on the left and right of the fixing rack front and the back two bar pieces, the sliding of two left sliding pieces in parallel with the fixing rack front and the back two bar pieces crosses a left positioning hole opened on the fixing rack left bar piece and the left connection bar, the sliding of two right sliding pieces in parallel with the fixing rack front and the back two bar pieces crosses a right positioning hole opened on the fixing rack right bar piece and the right connection bar, the back side of the fixing rack back connection bar is fixed with a plurality of positioning rings connected in series with connection rings, and a plurality of thread bard adapted with the connection rings and the matched thread bars adjust positioning nuts. The utility model provides a multi-functional rack with the length, width, height and leaning degree adjustable used on a desk face plate which can acts as a book shelf, a picture rack or a desk, has big service area, occupies small areas after being folded and is convenient for carrying and collecting.