The invention discloses a portable electronic police image monitoring system. The system comprises multiple road monitoring substations laid at multiple road crossings; the road monitoring substations comprise image acquisition ends laid at onsite crossings for onsite acquisition of image data and image receiving ends arranged in monitoring rooms for displaying transmitted image information; the image acquisition ends comprise data acquisition transceivers, first CCD image sensors, first A / D conversion circuits, first image front amplification circuits, second CCD image sensors, second A / D conversion circuits, second image front amplification circuits, first image storage units and fiber transmitters; and the image receiving ends comprise microcontrollers, second image storage units, display screens and fiber receivers. According to the invention, the design is novel, the structure is simple, the effects of image information acquisition and image processing are good, the coverage angle is large, the visual sense is wide, the transmission speed is fast, the functions are complete, and the practicality is high.