To provide a method of producing a grindstone which enables production of a tool for polishing having different contents of pores according to the radial direction through simple steps.

A method of producing a tool for polishing comprises a lower punch arrangement step S2 of arranging a lower punch in a cylindrical die for powder molding, a powder arrangement step S3 of arranging a powder of raw materials containing a polishing material in the die in such a way that the height from the upper surface of the lower punch increases from the central axis toward the outer periphery of the die, an upper punch arrangement step S4 of arranging an upper punch in the die and a molding step S5 of carrying out compression molding by pressing the powder with the upper and lower punches.