Siraitia glucomannan, also known as Luo Han Guo sweet glutinous rice, has high plant content and good water solubility. At present, it has a purity of more than 98%. The finished product is used as a food additive. Its sweetness is 300 times that of sucrose, its calorie is zero, and it has Qingre Runfei Town. The effect of cough and laxative has a preventive effect on obesity, constipation and diabetes. The mogroside extract resin provided by Suzhou Bojie Resin Technology Co., Ltd. can effectively extract mogroside, which has high adsorption capacity and strong selectivity. The adsorption rate of ginkgo phenol is high, the adsorption rate is fast, the operating conditions are mild, and the desorption is simple and repeatable. Reuse and reuse, saving costs. The resin has high mechanical strength and low dissolution rate, and the extraction of mogroside is excellent and economical.