Pear juice does not have the efficacy and role of treatment, but pear juice is rich in vitamins and mineral elements, has a certain nutritional value. Pear is a common fruit in life, every 100g of pear can provide 240KJ of energy, containing 85.8g of water, drink pear juice can effectively replenish their own needs of energy and water. In addition, every 100g of pear contains 1.2g of protein, 3.8g of carbohydrates, as well as carotene, vitamin C, calcium, phosphorus and other nutrients, high nutritional value. Therefore, drinking pear juice helps to maintain the normal physiological functions of the human body and helps to replenish nutrients, energy and water, which is beneficial to maintaining good health. However, the nutrients in any food are limited. It is recommended to maintain a diversified diet on a daily basis to ensure a balanced and comprehensive nutritional intake.