The invention provides a vehicle anti-theft system comprising a control chip and a wireless remote controller, a wireless receiver and a surveillance camera which are connected with the control chip;the control chip is used for receiving an alerting signal sent from a security sensor of a vehicle and calling the surveillance camera to take pictures; the wireless remote controller is used for sending the taken pictures to a cloud server and a mobile terminal of a owner; the wireless receiver is used for sending control instructions sent from the owner to the control chip to enable the controlchip to perform the control instructions; the surveillance camera comprises three cameras which are respectively toward the front, the left and the right of the vehicle; and after receiving shooting instructions sent from the control chip, the pictures of the corresponding directions are taken through the camera defined by the shooting instructions. According to the technical scheme, loss caused by vehicle theft can be reduced effectively.