Adjustable-desktop angle study desk

The utility model discloses an adjustable-desktop angle study desk, which comprises a supporting frame, wherein the supporting frame is provided with a side supporting plate; a horizontal plane and a primary inclined plane are formed on the top of the side supporting plate along the length direction respectively; the end, which is far from the horizontal plane, of the side supporting plate is provided with a rotating shaft; a primary supporting plate capable of rotating around the rotating shaft is arranged on the rotating shaft; a secondary supporting plate is arranged on the primary supporting plate through a hinge; a second panel is arranged on the horizontal plane; a first panel is arranged on the end, which is close to the primary inclined plane, of the second panel through a hinge; and a third panel is arranged on the other end of the first panel through a hinge. The adjustable-desktop angle study desk has the advantages that: desktop can be adjusted into an inclined plane and a horizontal plane when op