The invention provides a device for drying LED supports. The device comprises a feeding and conveying mechanism, a drying mechanism and a discharging mechanism which are sequentially arranged in the LED conveying direction. The feeding and conveying mechanism comprises a first supporting frame. A first conveying mechanism and a support tray body are arranged on the first supporting frame. The first conveying mechanism comprises a first hollow box body. The first hollow box body is provided with the support tray body. The support tray body comprises a bottom plate. Multiple grooves are formed in the bottom plate. A top plate is arranged on one side in each groove through a spring. The drying mechanism comprises a second supporting frame and a drying box body. A second conveying mechanism is arranged on the bottom wall in the drying box body. The discharging mechanism comprises a third supporting frame and a third conveying mechanism. The device has the beneficial effects that the to-be-dried LED supports are placed on the support tray body and then sequentially pass through the feeding and conveying mechanism, the drying mechanism and the discharging mechanism, the function of drying the LED supports is achieved, the LED drying efficiency is improved, and the production quality is improved.