The invention relates to a device and a process for fabricating float wear-resisting high-vitrification porcelain plate and glass-ceramics and firstly provides the creative device and the process for producing a float shuttle kiln, a tunnel kiln and a float towing kiln with ultra-large, ultra-thick or ultra-large and ultra-thin single-color or patterned multicolor glass-ceramics plates and the wear-resisting high-vitrification porcelain plates with high quality, high flatness and high efficiency on a kiln device with the characteristics of a molten tin bath. The device is characterized by comprising 1-100 containers respectively loading high vitrification porcelain raw materials or crystallized glass raw materials with single color in 1-30 colors, a float molten tin bath device which is used for floating the porcelain plate and the glass-ceramics and loading tin, and a kiln which is provided with a fuel spray gun or electric heating device and has three functions of warming, firing and cooling.