Carbohydrates are one of the three major nutrients in the daily diet and are essential for the body as well as the main source of energy. Foods high in carbohydrates include cereals, fruits, nuts, root vegetables and so on. 1, cereals: most of the common grains in life contain high carbohydrates, such as 100g of millet carbohydrate content is 72.85g, 100g of wheat carbohydrate content is 75.2g. 2, fruits: watermelon, bananas, grapes and other fruits, but also than other fruits contain high carbohydrate food, which watermelon contains 5.8g/100g of carbon water, bananas for 22.84g/100g, grapes for 10.3g/100g. 3, nuts: such as walnuts, peanuts, cashews, etc., these nuts also contain more carbohydrates, can provide the body with a certain amount of energy. 4, root vegetables: potatoes, sweet potatoes, yams, etc., its carbohydrate content is also more. For example, the carbohydrate content of 100g of potatoes is 17.2g, the carbon water content of 100g of sweet potatoes is 20.71g, and the carbohydrate content of 100g of yams is 70.8g. Excessive high-carbohydrate diets may cause elevated blood sugar, therefore, it is recommended that these foods need to be consumed in moderation, along with other nutrient-rich vegetables, fruits and meats, so that the nutrients can be absorbed in a balanced and comprehensive manner.