A component verification method includes a component ID reading process of reading a component ID corresponding to a stored component of a subsequent tape, a tape insertion detecting process of detecting that the subsequent tape has been inserted into a tape feeder, a feeder specifying process of specifying a tape feeder in which the insertion of the subsequent tape has been detected, and a component verifying process of verifying whether or not a correspondence relationship between the read component ID and the specified tape feeder is correct.