The traditional Chinese medicine Sophora flavescens is the dry root of the leguminous plant Sophora flavescens. It has the effects of clearing heat and dampness, killing insects and diuresis. Sophora flavescens is used clinically for insecticide, treatment of dysentery, hepatitis, urticaria, eczema, bronchitis, etc. Sophora flavescens mainly contains alkaloids and flavonoids. The alkaloids and flavonoids in matrine are extracted by ion exchange resin method, which has the advantages of simple operation, easy desorption, stable physical and chemical properties, high mechanical strength and repeated use, and is a common method for separating matrine. Suzhou Bojie provides matrine extraction and separation resin. The resin has high strength, good separation effect and convenient regeneration. It is widely used in the Chinese herbal medicine extraction industry.