Desk suitable for students of different heights

The utility model relates to a desk suitable for students of different heights. The desk is composed of a main desk and an auxiliary desk. The main desk is formed by connecting a main desk top, a main desk bottom plate, a main desk body and desk legs in a joggling joint mode. The auxiliary desk is composed of an auxiliary desk top, an auxiliary desk bottom plate and an auxiliary desk body. A main desk top hole is formed in the middle of the main desk top, the auxiliary desk bottom plate of the auxiliary desk is the same as the main desk top hole in area, the auxiliary desk body can vertically penetrate through the main desk top hole, and a lifting function is achieved. The height of the auxiliary desk is determined by a multilayer rotary support in the main desk body, the multilayer rotary support is composed of multiple rotary blocks which can rotate around a fixed rotation shaft, and by regulating the number of the rotary blocks, the effective height of the auxiliary desk can be changed. The desk suitable for students of different heights has the advantages that the height of the desk can be adjusted mechanically, the requirement for height change of the desk can be met, a book storage space can be enlarged, and the effective use area of the desk top is kept to be the maximum all the time.