The invention discloses a blueberry and corn can containing Chinese chestnuts with an antihypertensive function. The blueberry and corn can is prepared from raw materials in parts by weight as follows: 180-200 parts of blueberries, 18-20 parts of black waxy corn kernels, 9-10 parts of walnut kernels, 3-4 parts of rice vinegar, 4-5 parts of Chinese chestnut powder, 6-7 parts of spirulina powder, an appropriate quantity of lotus leaves, 3-4 parts of sweet osmanthus, 4-5 parts of cucumber skin, 1-2 parts of longan shells, an appropriate amount of salt, an appropriate amount of white granulated sugar, an appropriate amount of citric acid, an appropriate amount of amylase, an appropriate amount of papain and an appropriate amount of water. According to the invention, auxiliary materials such as the Chinese chestnut powder and the like have functions of tonifying the spleen, invigorating the stomach, tonifying the kidney and strengthening tendons, and the Chinese herbal medicines such as the sweet osmanthus and the like have functions of maintaining beauty, keeping young and relieving the throat.