The utility model discloses a constant -temperature drying oven. The utility model provides a: including the box, one side of box is provided with heating device, and the box includes the bottom plate, is provided with slewing mechanism on the bottom plate, slewing mechanism includes servo motor and rotates the platform, be provided with vibration mechanism on the rotation platform, vibration mechanism is including setting up vibrating motor on rotating the platform and the shaking platform of being connected with vibrating motor, can dismantle on the shaking platform is provided with fixture,fixture is including setting up at shaking platform fixed plate all around, be provided with fastening bolt on the fixed plate, the fixed plate is iron, be provided with around on the shaking platform with the fixed plate corresponds the magnet that sets up, be provided with the skid resistant course on the shaking platform, the inside of rotating platform and shaking platform all is provided with the heat preservation. The utility model provides a scheme can be turnned automatically and treated dry product, improves production efficiency.