Efficacy and function: nourishing yin and moistening lung, nourishing stomach and promoting fluid production. Suitable for chronic tracheitis, whooping cough, chronic pharyngitis and other diseases. Take one bite in the morning and one bite in the evening. Stewed pear with rock sugar does have a cough relieving effect, but it takes a while. Often eat rock sugar stewed pears, which can eliminate phlegm and heat, nourish yin and moisten the lungs. If possible, it is best to stew with Fritillaria. In addition, pears can also relieve the symptoms of dry throat, itchy throat and sore throat. Patients with pulmonary tuberculosis often eat pears, which can relieve symptoms such as cough due to lung heat, itchy throat and excessive phlegm. Patients with hypertension often eat pears, which can nourish yin and clear heat, lower blood pressure and relieve dizziness; Patients with hepatitis and cirrhosis often eat pears, which can protect the liver, soothe the liver, help digestion, strengthen the spleen and nourish yin; Rock sugar Sydney can be made into Sydney drink, which can clear away heat and quench thirst. It is suitable for fever, body fluid damage and thirst caused by exogenous warm virus.