Gentian is a traditional Chinese medicine for clearing diarrhea and liver and gallbladder. It is a bitter and healthy stomach medicine used abroad. It is derived from the gentian plant gentian, gentian, etc., containing iridoid glycosides, which is the main active ingredient of gentian. . The content of gentiopicroside in gentian crude drug is high, and the macroporous adsorption resin can be used after water extraction, and the high purity gentiopicroside product can be separated by resin adsorption method. The method has simple process and low cost, and is suitable for use in Mass production. Suzhou Bojie Resin Technology Co., Ltd. provides gentian glucoside adsorption resin with large adsorption capacity, convenient regeneration and desorption, and is widely used in plant extraction.