Brown sugar coffee can be drank together, clinically there is no food matching statement, the two drink together will not occur chemical reaction. Brown sugar is not completely refined and not centrifuged with honey cane sugar, contains certain nutrients, per 100g brown sugar contains protein 0.7g, carbohydrate 96.6g, calcium 0.157g, potassium 0.24g, can add a certain amount of energy for the human body. Coffee is mainly made from coffee beans to produce a drink, the average per 100g of coffee mainly contains carbohydrates 68.9g, protein 17.1g, magnesium 0.132g, phosphorus 0.204g, potassium 2.013g and other nutrients. Brown sugar and coffee can better supplement nutrition for the human body, and the two will not produce chemical reactions or generate toxic substances, therefore, the two can be drunk together. It is recommended to drink in moderation, and diabetic patients are more suitable for sugar-free coffee.