1. An LED lighting device, comprising an LED light-emitting module, a power supply module, a video acquisition module, a communication module and a processing module; wherein: the power supply module is electrically connected to the LED light-emitting module, the video acquisition module, the communication module and the processing module, respectively; the processing module is electrically connected to the video acquisition module and the communication module; the video acquisition module is configured to collect video data within a camera detection range, and send the video data to the processing module; the processing module is configured to control the communication module to send the video data to a smart home control server; and the smart home control server is configured to parse and process the video data to detect behavioral information, generate control instructions according to the behavioral information, and send the control instructions to a smart terminal.