The invention discloses a campus wireless video monitoring system, which comprises a front-end detection system, a backstage monitoring system, a wireless transmission system and a power supply system, wherein the front-end detection system acquires video and meteorological data, and the video and the meteorological data are transmitted to the backstage monitoring system via the wireless transmission system; the backstage monitoring system comprises an information processing module and an intelligent video analysis module; the information processing module analyzes and processes the meteorological data; early warning information is transmitted to a display terminal of the backstage monitoring system; the intelligent video analysis module carries out behavior recognition on the acquired video stream; abnormal data are transmitted to the display terminal of the backstage monitoring system; and the power supply system provides power for the front-end detection system. Through building the campus wireless video monitoring system, defects in a wired monitoring system can be effectively remedied, the wiring trouble is saved, the campus video monitoring ability is improved, and an importance role is played to ensure safety of the campus.