To provide a shelf board for a kiln for pottery capable of eliminating unevenness of reduction gas to achieve favorable result of baking in a case of reduction baking in an electric kiln, and favorably eliminating deviation of inner temperature in a case of use in a gas kiln or a kerosene kiln.

A plurality of through holes 3 are formed in a main body, and guide plates 6 are formed along the whole circumference from a circumferential edge part of the main body 2 downward. In the surface of the main body 2, a plurality of long grooves 4 are formed to be communicated with inner walls of the through holes 3 at one end.