TURBINE BLADE

A turbine blade (1) includes a plurality of rows of cooling portions (4, 4A, 4B) that have notch portions (41) that discharge cooling gas that has been introduced into an internal portion (25) of a blade portion (2) onto a ventral side blade surface (23), and that are formed in rows that are stacked in a direction between the blade front edge and the blade rear edge. This turbine blade (1) is provided with: turbulence promoting cooling portions (4B) that are provided in the row located furthest to the downstream side from among the plurality of rows, and that have turbulence promoting devices (44, 45, 46) in areas exposed by the notch portions (41); and film cooling portions (4A) that are provided in at least one of other rows from among the plurality of rows, and that form a film cooling layer in the areas exposed by the notch portions (41).