Carbohydrate is generally short for carbohydrate, a nutrient that provides energy. Carbohydrates, whose chemical structure formula contains the elements carbon, hydrogen and oxygen, are important organic compounds in nature. The main sources of carbohydrates in the daily diet are cereals and potato foods, such as rice, wheat, corn, potatoes, sweet potatoes, purple potatoes, etc., all of which are rich in carbohydrates. Carbohydrates play an important role in maintaining human life activities, providing the body with the required energy, but for diabetic patients, the intake of carbohydrates should be controlled to avoid causing an increase in blood glucose. Specific dietary regimens can be developed in consultation with a professional nutritionist.