Astaxanthin is a terpene unsaturated compound widely found in nature. Astaxanthin has a variety of physiological effects, such as anti-oxidation, anti-tumor, cancer prevention, immunity enhancement, and improvement of vision. At present, there are many methods for separation and purification of astaxanthin. Among them, the resin adsorption method is widely used in the field of separation and purification of astaxanthin because of its fast adsorption speed, easy desorption, long service life and stable physical and chemical properties. The astaxanthin adsorption resin provided by Suzhou Bojie Resin Technology Co., Ltd. has the advantages of good selectivity, large adsorption capacity, high mechanical strength and convenient regeneration treatment, and has been well praised by customers.