In order to provide a resin-formed body including wood powder which is applicable to a material for a black key having a good external appearance and which has touch close to real wood with less difference in quality without using rare wood, the resin-formed body including wood powder (1) includes colored wood powder, resin and pigment. Moreover, with respect to the resin-formed body including wood powder (1), it is possible to use a mass ratio between the wood powder and the resin so as to be 90/10-60/40.