Refined carbohydrates, i.e., refined carbohydrates, mainly include refined grains and refined processed sugars, etc. They refer to grains that have had their fiber and some of their nutrients removed, as well as refined processed sugars. 1. Refined grains: white rice, bread, pastries, cookies, pizza, popcorn, etc. 2. refined processed sugars: cakes, fruit juices, yogurt, ketchup, etc. Refined carbohydrates provide less vitamins and minerals than general food, and the body will quickly absorb refined carbohydrates, which leads to a rapid rise in blood sugar; in addition, they lack fiber and a variety of nutrients, and long-term consumption of refined carbohydrates is likely to cause metabolic disorders in the body. Pay attention to nutritional balance, try to avoid excessive intake of refined carbohydrates, you can use black rice, oats, corn and other coarse grains to replace part of the refined carbohydrates, is conducive to good health.