Horizontal continuous electrolytic etching machine is used for horizontal continuous electrolytic etching processing of metal materials such as stainless steel, aluminum and aluminum alloys, steel, etc. Compared with traditional ferric chloride chemical etching machines, it eliminates polluted ferric chloride and other chemical etching solutions, and its outstanding advantage is environmental friendliness; The processing quality and effect are whiter and more delicate than traditional chemistry; The processing cost is lower than traditional chemistry.