The nutritional value of blackberry is extremely high, which stems from its rich nutrients. It contains more than 45 kinds of nutrients, especially a large number of antioxidant components such as selenium, SOD, anthocyanins and proanthocyanidins, which are very rare. In addition, it contains 18 amino acids and is rich in 6 mineral elements (potassium, calcium, sodium, magnesium, zinc and iron). A variety of nutrition combinations, synergistic effect, can play a role in nutrition supply and comprehensive conditioning for the human body.