In-vehicle living body protection method and system

The invention provides an in-vehicle living body protection method, which comprises the following steps of: matching an in-vehicle sound signal with a preset characteristic sound signal database when the in-vehicle sound signal acquired by a specified microphone is received under the working conditions that the vehicle is static and all doors and windows are closed; if it is judged that the matching similarity is larger than a preset threshold value, it is confirmed that a living body exists in the vehicle, and an alarm prompt carrying a control authorization signal is pushed to a vehicle owner, so that the vehicle owner can authorize the vehicle to adopt a preset control strategy based on the control authorization signal, and the purpose that the environment in the vehicle reaches comfortable condition control to protect the living body in the vehicle is achieved. According to the method, the living body in the vehicle is detected based on a voice recognition mode, the effect of improving the recognition rat