A parts feeder having an element supply source (31, 32) for receiving fastener elements (E, E1, E) and a conveying path for conveying and arranging the fastener elements supplied from the element supply source in a predetermined direction, the parts feeder comprising: color identification means provided in the conveying path to identify colors of the fastener elements; and discharging means provided at a downstream side of the color identification means in the conveying path to discharge fastener elements having colors different from a predetermined color pattern, on the basis of information of the color identification means, wherein: a plurality of element supply sources (31, 32) are provided, the fastener elements (E, E1, E2) are respectively received in the plurality of element supply sources by color, and wherein on the basis of information of the color identification means, fastener elements having a required color are supplied from the plurality of element supply sources, and wherein on the basis of information of the color identification means and information of the predetermined color pattern previously set, a larger number of the fastener elements (E, E1, E2) having a color which is deficient in the conveying path, than that of the fastener elements having a color which is sufficient in the conveying path, are supplied and also a smaller number of the fastener elements having the color which is sufficient in the conveying path, than that of the fastener elements having the color which is deficient in the conveying path, are supplied. color identification means provided in the conveying path to identify colors of the fastener elements; and discharging means provided at a downstream side of the color identification means in the conveying path to discharge fastener elements having colors different from a predetermined color pattern, on the basis of information of the color identification means, wherein: a plurality of element supply sources (31, 32) are provided, the fastener elements (E, E1, E2) are respectively received in the plurality of element supply sources by color, and wherein on the basis of information of the color identification means, fastener elements having a required color are supplied from the plurality of element supply sources, and wherein a plurality of element supply sources (31, 32) are provided, the fastener elements (E, E1, E2) are respectively received in the plurality of element supply sources by color, and wherein on the basis of information of the color identification means, fastener elements having a required color are supplied from the plurality of element supply sources, and wherein on the basis of information of the color identification means and information of the predetermined color pattern previously set, a larger number of the fastener elements (E, E1, E2) having a color which is deficient in the conveying path, than that of the fastener elements having a color which is sufficient in the conveying path, are supplied and also a smaller number of the fastener elements having the color which is sufficient in the conveying path, than that of the fastener elements having the color which is deficient in the conveying path, are supplied.