A tire cure metal mold has a plurality of blades for forming a sipe provided in a protruding manner on a tread forming surface. The tire cure metal mold has a first blade extending along a first direction, a second blade extending along a second direction intersecting the first direction and a protrusion portion. The protrusion portion is formed by a local protrusion of the tread forming surface and comes into contact with a side surface of the first blade and an end surface of the second blade facing to the side surface of the first blade.