The plate and frame filter features a stacked structure of multiple filter plates and frames, with large filtration area and excellent pressure resistance. It can flexibly replace filter media such as filter cloth and filter paper according to material characteristics to meet the needs of solid-liquid separation with different precision. The main body is made of SUS304/316L stainless steel, with firm structure, good sealing performance, easy disassembly and cleaning, and no sanitary dead corners, complying with the standards of food, pharm and chemical industries. It is suitable for clarification and filtration of medicinal liquids, syrups, oils, beverages, chemical solvents and other materials. Simple operation and stable operation, the processing capacity can be adjusted by increasing the number of plates and frames. With high filtration efficiency and low use cost, it is a commonly used precision filtration equipment in industrial production.