Pregnant women and children are generally not recommended to drink strong tea, because too much caffeine in strong tea will make pregnant women tachycardia, which will also bring excessive stimulation to the fetus, and the same is true for children. Therefore, it is generally recommended that pregnant women and children drink light tea. By drinking some light tea, you can supplement some vitamins and minerals such as potassium and zinc. Children drink tea in moderation, which can strengthen gastrointestinal peristalsis and help digestion; drinking tea has the effect of clearing away heat and reducing fire, avoiding anal fissures caused by dry stools in children. In addition, children drinking tea or rinsing their mouths with tea can also prevent dental caries.