The main function of steamed pear with rock sugar is to cure cough, and it should be eaten hot. If it is cold or stays overnight, it will lose its efficacy. Supplement: Stewed Sydney with rock sugar is a traditional Han dessert snack. The main ingredient is Sydney, and the main cooking technology is stew. Pear can moisten lung and clear away heat, promote fluid production and quench thirst. It can be used together with rock sugar to enhance the effect of moistening and relieving cough, and can be used to treat children's lung dry cough, dry cough without phlegm, dry lips and dry throat. Sydney can nourish yin and moisten the lungs, nourish the stomach and produce fluid, eliminate phlegm and relieve cough, which has a good maintenance effect on the throat; Moreover, there are many sugars and vitamins in pears, which are easily absorbed by the human body.