Abstract: The present invention relates to a process of manufacturing a formaldehyde-free zero-carbon-emission environment-friendly plate made from circuit board powder, raw materials of the plate comprise circuit board powder, an isocyanate, a mold release agent, water, wood fiber powder and carbon fiber. These raw materials are mixed together and pressed to form the plate of the present invention. The weight percentage of circuit board powder in the plate can be as high as 95%, and the plate of the present invention has no bubbles therein and has excellent water-proofing performance.