To provide a master model which makes operator's skill unnecessary and can inexpensively materialize the stabilization of product quality, a method for producing a tire molding mold using the master model, and the tire molding mold.

In the master model 31, a plurality of legs 11 are projectingly formed integrally in one edge part of a driving blade 10 imitating the shape of a sipe, it is formed from a resin material or a gypsum material, and each leg 11 of the driving blade 10 is driven in a model surface 31a so that the driving blade 10 is made to stand from the model surface 31a.