An all-weather laser imaging system with range gated synchronization control technology is developed aiming at shorter distance and low resolution of general imaging equipment in adverse weat her conditions.The working principle and system structure are introduced.The system visual space depth,laborat ory and outfield imaging experiments have been done.The results show that the experimental and theoretical values of visual sp ace depth increase with laser pulse width and the experimental values are slightly larger than theoretical ones due to the bro adening of laser pulse width and image intensifier gate width.The minimum resolutions are about 5cm and 10cm when obs er ving the target far from 1200m and 4700m respectively in dark night.The target is fuzzy and the image resolution is a bout 20-30cm when observing the target far from 1900m in misty condition.