For the disadvantages of low resolution in the laser radar imaging, the system of three-dimensional laser radar based on intensified charge coupled device (ICCD) time slice is designed. The principle of the system is analyzed. The design of the system and target three-dimensional information acquisition method are described. Laser receiving module, laser imaging module and target information acquisition method are introduced in detail. Experimental results verify the laser radar system feasibility. The system has better resolution and application prospect.