The plate and frame filter plate is composed of a filter plate and a filter frame. The filter press arranges the filter plates and filter frames with filtrate passages in parallel and alternately. There is a filter cloth sandwiched between each set of filter plates and filter frames. The filter plates and filter frames are compressed with a clamping end to form a filter chamber between them. It has the advantages of simple operation, high solid content in the filter cake, and strong applicability.