The invention discloses an old wood archaizing process, comprising the following steps: dragging saw notch of material white wood, sanding white wood, bleaching, drying, sanding, coating black water, drying, sanding, wiping color, spraying water-based priming paint, sanding, and spraying water-based finishing paint. The inventive process belongs to a novel archaizing process which takes the old wood, particularly the old wooden door sheet as processing materials, makes the archaizing effect on the old wood. Not only the year of the old wood can be saved, particularly the old wood with better quality is well kept and higher quality is obtained, but also the old wood is reused and the waste is changed into valuables. The old materials are matched with the modern process and are processed, and the processing method is simple and environmental. The inventive old wood archaizing process is suitable for the archaizing process of the old timber, woodwork, old furniture except the old wooden door too.