Sugar-free drinks mainly refer to drinks without adding sucrose, fructose and other ingredients, but instead of sugar, that is, artificial sweeteners. Sugar-free drinks do not mean that there is no sugar at all, but that the sugar content is relatively low. But sugar-free drinks have higher calories. During weight loss, it is mainly to pay attention not to eat high-calorie food. Too much sugar-free drinks can easily lead to high calories and obesity.