The invention discloses an animal feeding device which comprises a shell and a single-chip module controller, wherein a discharge hole is formed in the middle lower part of the shell; a feeding trough is formed below the discharge hole; a first gravity sensor is mounted at the bottom of the feeding trough; a charging power supply is mounted in the middle of the right side at the bottom end inside the shell; a recording and sounding device is mounted in the middle of the left side at the bottom end inside the shell; a storage hopper is arranged at the upper end inside the shell; an ultrasonic generator is mounted inside a feed opening of the storage hopper; an oscillating circuit device is mounted on the left side face inside the shell; a first electromagnetic valve is mounted at the feed opening of the storage hopper; a weighing hopper is supported and mounted inside the shell through supporting columns; and a second electromagnetic valve is mounted at the feed opening of the weighing hopper. According to the device, animals can be quantitatively fed at fixed time, and the device has the advantages of killing bacteria, preventing blockage and the like.