The invention discloses a novel laptop cooler which mainly comprises retaining plates, a ventilation net, a hollow box, lifting columns, a supporting bottom plate, a connection rotating member, sliding blocks, two slideways, a fixed block, a driving mechanism and a fan. The fixed slideways are arranged on the supporting bottom plate, one sliding block is arranged on the front side in each slideway, one lifting column is arranged on the rear side in each slideway, the upper ends of the sliding blocks are connected with the connection rotating member through bolts, and the connection rotating member is connected with the lower end of the fixed block through bolts; one ends of the fixed block and the lifting columns are fixed on the box, the fan is arranged at a central point of the box and connected with the driving mechanism through a shaft to drive the fan to rotate, the ventilation net is arranged on the upper surface of the box, and the retaining plates are fixed on two sides of therear of the hollow box. By adjusting the connection rotating member, height can be adjusted freely, and inclination degree can be adjusted through sliding of the sliding blocks to adapt to people's habits.