Pumpkin polysaccharide is a water-soluble heteropolysaccharide extracted from pumpkin and has many biological activities and functions. The extraction and purification of pumpkin polysaccharide has attracted more and more attention. The polysaccharide extract obtained by the general separation method contains many impurities, so the crude extract must be further purified. The macroporous adsorption resin extracts and purifies pumpkin polysaccharide base with strong adsorption capacity, easy desorption, high yield and low cost. This method has become a common method in the world. Suzhou Bojie Resin Technology Co., Ltd., own brand Bestion. Its professional extraction of sinapine adsorption resin has the advantages of good selectivity, large adsorption capacity, high mechanical strength, convenient regeneration, fast adsorption, easy desorption, etc., and is widely praised by domestic and foreign customers.