To provide a belt having a glossy three-dimensional configuration formed on its back, and a belt manufacturing method.

After twisting the un-vulcanized belt sleeve 11 of a tooth cloth 7, a core wire 6 and an un-vulcanized rubber sheet 10 to the inner mold 20 having a plurality of groove parts 21 arranged at the predetermined space in the circumferential direction on the outer circumferential face, the outer circumferential face is covered with the resin film 23. The pattern sleeve 26 having a plurality of groove parts 27 arranged at the predetermined space in the circumferential direction on the inner circumference face is installed on the outside of the belt sleeve 11, and its circumference is covered with a jacket 28 and vulcanized. While forming the cog part 5 corresponding to the groove part 27 of the pattern sleeve 26 simultaneously on the outer circumferential face of the belt sleeve 11 through the resin film 23, a plurality of gear-tooth parts 2 corresponding to a plurality of groove parts 21 of the inner mold 20 are formed on the inner circumference face of the belt sleeve 11. The resin film 23 is peeled from the outer circumferential face of the vulcanized belt sleeve 11.