This invention provides a tire forming mold and a tire manufacturing method, capable of simplifying pinch cutting process to obtain excellent tire profile via stabilizing cutting position of the pinch, comprised of a side mold portion (2) and an annular mold portion (1) fitted to an outer side in a tire diametrical direction of the side mold portion (2) at a time of clamping the mold, wherein theannular mold portion (1) is constructed by a combination of sectors (5) which are divided in a tire circumferential direction, and each of the sectors (5) is capable of displacing in the tire diametrical direction, wherein a fitting diameter of the annular mold portion (1) is set to be equal to or more than a fitting diameter of the pair of side mold portions (2), an annular rubber introduction groove (6) extending along the tire circumferential direction is provided at least in one of a fitting surface (1a) of the annular mold portion (1) and a fitting surface (2a) of the pair of side mold portions (2), and a shallow groove portion (61) is formed in an introduction port of the rubber introduction groove(6).