A kind of method for changing butterfly orchid tint of system of the present invention, especially system provide the manufacturing method for the iris for making white iris change into red system.The characteristic system of the present invention will encode the gene of the gene of flavanone 3-hydroxylase, the gene of coded flavonoid 3 '-hydroxylase, coding dihydroflavonol 4-reductase, and encode the channel genes iris of anthocyanidin synzyme and make the manufacturing method of the iris through changing pattern of its performance.本發明係一種改變蝴蝶蘭花色之方法，特別係提供使白色蝴蝶蘭改變為紅色系統的蝴蝶蘭之製造方法。本發明之特徵係將編碼黃烷酮3－羥化酶之基因、編碼類黃酮3’－羥化酶之基因、編碼二氫黃酮醇4－還原酶之基因，以及編碼花青素合成酶之基因導入蝴蝶蘭且使其表現之經改變花色的蝴蝶蘭之製造方法。
