An apparatus for recycling waste rubber including a feeding device, a recycling agent feeder, a mixing device, a recycling device, and a controller. The recycling device includes a feed hopper and a recycling reactor. The feeding device and the recycling agent feeder are connected to the mixing device. The recycling device is located at one side of the mixing device. The feed hopper is provided with a second screw feeder, and is connected to the mixing device via the second screw feeder. The feed hopper includes an outlet connected to the recycling reactor. The recycling reactor includes a temperature controller and a cooling device. One end of the cooling device is provided with a discharge outlet. The feeding device, the recycling agent feeder, the mixing device, and the recycling device are electrically connected to the controller.