Method and system for starting low-power network camera

The invention provides a method for quickly starting a low-power network camera, and relates to the technical field of security monitoring. The method comprises the following steps: adopting a PIR sensor to monitor whether there is a person intruding into the monitoring area of a low-power network camera; if there is a person intruding into the monitoring area of the low-power network camera, running a boot loader of a Linux operating system, waking up an encoding chip from a dormant state, opening an audio acquisition and image capture function, and storing the collected audio data and the video data encoded by the encoding chip in a cache; running the Linux operating system, continuing collecting the audio data and video data in the monitoring area, and storing the collected audio data and the video data encoded by the encoding chip in the cache; writing the audio data and video data acquired in the boot loader running phase and the Linux operating system running phase into an audio and video file; and uplo