Though Xinjiang gray jujube and red jujube are both jujube food, but they are different in taste, color, nutrient composition and efficacy. Gray jujube taste soft, more water, the color is light gray, rich in protein, sugar, vitamins and calcium, phosphorus and other minerals. Red jujube taste harder, color is reddish brown, rich in carbohydrates, vitamin C, calcium, iron and other nutrients, have blood, nourishing fitness effect. Therefore, the choice of what kind of jujube food depends on personal taste and nutritional needs. At the same time, you also need to pay attention to the intake of date foods, excessive intake can lead to discomfort and health problems.