The invention relates to a multifunctional animal repeller including a central processing unit, and a sound output circuit, a light output circuit, an ultrasonic output circuit, a red light blinking output circuit, a various animal deterrence sound programmer, an ultrasonic frequency selection controller, a multifunctional light selector, an animal repelling mode controller, an operating time selection button, an infrared induction distance adjuster, a photosensitive detector, a camera, a pre-amplification circuit, a mass memory, a Wifi module, a camera effect monitor and a multi-power supply system which are all connected with the central processing unit. The multifunction animal repeller can repel different animals through physical phenomena such as sounds, ultrasonic waves and flashing light based on a humane animal repelling design and can protect animals against injuries, and thus the natural environment is protected.