The invention discloses an intelligent rescue system for a child left in a vehicle. The intelligent rescue system comprises an information acquisition system, a monitoring and identifying system, a control system, life detection equipment and an actuation system, wherein the information acquisition system is used for acquiring engine and vehicle door information and transmitting the information to the control system; the control system switches on the monitoring and identifying system after detecting that the vehicle has been flamed out and vehicle doors have been closed according to the information acquired by the information acquisition system; the monitoring and identifying system is used for monitoring activities in the vehicle and transmitting the acquired information to the control system; when determining that a child may be left in the vehicle according to a signal transmitted by the monitoring and identifying system, the control system activates the life detection equipment to operate; when confirming that a living body exists in the vehicle according to the information acquired by the life detection equipment, the control system switches on the actuation system to transmit a rescue signal to the outside. If the child is left in the vehicle, the intelligent rescue system can make a judgment immediately and send the rescue signal to the outside to guarantee timely rescue.