Pear and Poria have the effects of promoting fluid production, moistening dryness, clearing away heart fire, moistening lung and relieving cough, and are reasonable for patients with tuberculosis, tracheitis, respiratory infection, etc. with dry throat, itching, hoarseness and thick phlegm. Pear has the functions of lowering blood pressure, nourishing yin and clearing heat. Patients with hypertension, heart disease, liver phlegm and liver cirrhosis often eat pears, which is of great benefit. It can stimulate appetite, promote digestion, and has diuretic, laxative and antipyretic effects, and can be used to supplement water and nutrition during high fever.