Carbohydrates refer to carbohydrates, if excessive intake of carbohydrates for a long period of time may cause abnormal metabolism of the body or even diseases such as obesity, diabetes, high blood pressure and so on. Carbohydrates are essential nutrients, but also very important nutrients, eaten in moderation can provide some energy for the body, to a certain extent, to maintain normal life activities. When the body eats too much carbohydrate will be converted into fat stored in the body, if the long-term excessive intake of carbohydrates, will lead to excessive fat storage. This in turn leads to problems such as obesity, and may also cause elevated blood glucose and blood pressure, and disorders of lipid metabolism. It is recommended to reasonably control the intake of carbohydrates, to have a balanced diet in daily life, and to avoid a single diet.