Caffeine is the main component of coffee, which can excite the nerves. Children can drink coffee during exams and studies, which can refresh their minds and help resist fatigue.

2. The disadvantages of drinking coffee are

However, children's metabolism is relatively slow, and drinking coffee is not conducive to children's growth and development, and it is easy for children's central nervous system to be stimulated by caffeine. In addition, coffee will also inhibit the absorption of calcium, which will have an impact on children's bone development and tooth development, and will also destroy the contents of vitamins and trace elements in children, leading to abnormal growth and development.