The invention relates to a preparation method for carbon steel anode plate surface modification by using an epoxy resin layer to bond glass fibers. According to the method, a common carbon steel anode plate serves as a base material; after the surface of a base body is polished and subjected to floating rust oxidation layer removal, the anode plate is coated with acid-corrosion-resistant epoxy resin capable of being resistant to the temperature of 110 DEG C or above; and the surface of the anode plate is coated with multiple epoxy resin layers; and bubbles in the coating are removed in a rolling defoaming manner, and a special pressing roller coated with a wool felt layer with the thickness ranging from 2 mm to 3 mm is adopted for pressing when a piece of low-density glass fiber cloth is bonded, so that the bottom layer of the glass fiber cloth is pressed into the upper epoxy resin layer which is not completely solidified. By the adoption of the preparation method, the effect that a formed surface liquid film can be even and stable under the condition of the low washing water amount, and a pole plate can be effectively prevented from dust deposition and scale formation, so that long-term efficient and stable operating of a wet type electric dust removal device is guaranteed.