▎ 摘　　要

NOVELTY - Preparing high color stability DL-cyclobutylglycine involves utilizing industrial production device, microwave ultrasonic device, purifying device, ultrasonic device, graphene oxide and amino acid with uniform color, installing large-scale microwave ultrasonic equipment after the purification process to meet the needs of use. An appropriate amount of graphene oxide is put into the ultrasonic equipment. USE - Method for preparing high color stability DL-cyclobutylglycine for absorbing fine colored impurities. ADVANTAGE - The method has less investment, simple method and easy operation, obvious effect.