The present invention provides an improved process for producing the gardenia blue pigment. The process is easy-to-workup and suitable for industry and the obtained gardenia blue pigment is bright and suitable for industrial application.本發明提供一種用於生產梔子藍色素之改良方法。該方法易於後處理且適合產業,以及所獲得之梔子藍色素明亮且適合產業之應用。(無)