Pear and jujube are common food, does not have special effects, but pear and jujube boiled water can be supplemented for the human body required carbohydrates and other nutrients, moderate consumption of human health benefits, but not suitable for everyone to drink. Pear is a common fruit, crispy and crisp, juicy slag less, pear water content is high, for more than 80%, per 100g pear contains carbohydrates 13.3g, crude fiber 3.1g, protein 0.4g, potassium 92mg, phosphorus 14mg, but also contains a variety of rich vitamins. Jujube is also more nutritious food, every 100g of jujube contains 30.5g of carbohydrates, also contains protein, amino acids, sugar and calcium, magnesium, potassium, iron and other mineral elements and rich vitamin A and so on. Pears and jujube boiled water can provide energy for the human body, replenish the required nutrients, to a certain extent can also relieve thirst. However, pears and jujubes contain high sugar content, so it is not recommended for diabetic patients to drink, so as not to cause elevated blood sugar. In addition, drinking pears and jujube water need to be moderate, to avoid causing bloating, diarrhea and other discomforts, daily diet also need to be matched to ensure balanced nutrition.