The wet plate large format camera of the 20th century was a traditional photography tool that used wet plate film for shooting. This camera uses large-sized film, typically 8x10 inches (approximately 20.3x25.4 centimeters) or larger, to provide excellent image quality and detail representation. Widely used in professional photography and artistic creation in the 20th century. They provide excellent image quality and detail representation, becoming the preferred tool for photographers pursuing high-quality images. With the development of digital technology, wet plate large format cameras are gradually being replaced by digital cameras. But it remains a classic in the history of photography.