The invention discloses a cooling shaping device for a stone paper wallpaper base material. The cooling shaping device comprises a total water inlet pipe and a cooling tank fixed to the ground. Through holes are formed in the outer wall of one side of the total water inlet pipe, and water inlet pipes are clamped into the inner walls of the through holes. Transverse water inlet holes are formed inthe outer wall of the side, opposite to the total water inlet pipe, of the cooling tank, and the outer walls of the water inlet pipes are sleeved with the inner walls of the transverse water inlet holes. The outer wall of the side, away from the cooling tank, of the total water inlet pipe is sleeved with a branch pipe, and a branch pipe hole is formed in the outer wall of one side of the cooling tank. The outer wall of the branch pipe is sleeved with the inner wall of the branch pipe hole, and an annular groove is formed in the edge of the outer wall of the top of the cooling tank. According to the cooling shaping device, through shaping boards which are overlaid layer by layer, draining shaping is conducted, taking for use is convenient, no mutual interference exists during shaping, the thickness is more uniform, wrinkling is not prone to occurring, a plurality of pieces of stone paper are shaped simultaneously, through transverse and longitudinal cold water pipes, cooling is accelerated, meanwhile, the shaping efficiency is improved, and the yield is increased; and the whole device is simple and compact in structure, capable of being quickly put into production and low in requirement for the environment.