In this paper, a high-pixel micro-LED chip array was prepared based on a blue/green multi-quantum well LED epitaxial chip based on gallium nitride on sapphire substrate by using mature LED chip technology. Metal protruding points were designed and prepared on the surface of both micro-LED chip and CMOS driver chip, and good bonding between LED display chip and CMOS driver chip was achieved by adopting high-precision inversion welding process, and micro-LED display with resolution of 640×360 was successfully prepared. At the same time, the driver system of micro-LED display was designed with FPGA as the controller. Then the driver system can cache the input image data and process it into monochromatic image data which can be received by the display, and finally writes the processed image data into the driver chip to realize the image display.