Dandelion is a commonly used traditional Chinese medicine. It has the effects of clearing away heat and detoxifying, reducing swelling and dispersing, and diuresis. It has been proven by modern medicine to have antibacterial, antiviral, anti-gastric, anti-oxidant, liver-protecting and anti-tumor effects. The currently recognized active ingredient of dandelion is flavonoids. Suzhou Bojie Resin Technology Co., Ltd. provides dandelion flavonoid extract macroporous adsorption resin, which has the characteristics of large adsorption capacity, good selectivity, easy desorption, easy regeneration, low cost and high efficiency.