You can put rock sugar in boiled pears for children. Children and rock candy pear water have the effects of clearing away heat and toxic materials, removing fire and relieving cough. If the baby has a cold and cough, he can drink more rock sugar and boil pear water, which can also play a role in moistening the lungs at ordinary times, but he must pay attention to his food intake. If he drinks too much, it will also hurt his spleen and stomach.