The effects of loquat leaves and pear boiled in water are to clear the lungs and relieve cough, and to lower the rebelliousness and stop vomiting (to stop the upward rush of gastric qi and stop vomiting), but the effects of loquat leaves and pear boiled in water are limited, and should not be used for the treatment of diseases. Loquat leaves are the dried leaves of the loquat plant of the Rosaceae family, with the efficacy of clearing the lungs and relieving cough, descending the stomach to stop vomiting. It can be used in the treatment of lung-heat cough, gas, gastric fever, vomiting, irritable heat (irritability and sultriness), thirst and other diseases. The drug is cold in nature, so it is not recommended for people with stomach cold and vomiting and coughing with wind-cold in the lungs. In conclusion, loquat leaves and pear water has a certain effect of clearing the lungs and relieving cough, descending and vomiting, but the effect of boiling water is limited, and can not replace the treatment of disease. If necessary, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment.