2. Pear, the name of the fruit, belongs to Rosaceae. Deciduous perennial trees and fruit trees with oval leaves and white flowers. Generally, the color of pears is golden yellow or warm yellow on the skin, while the pulp inside is bright white, tender and juicy, sweet in taste, slightly sour in stone, cool and sexy. Pears are distributed in the provinces of North China, Northeast China, Northwest China and the Yangtze River Basin. Harvest the fruits from July to September when they are ripe, and use them fresh or slice them to dry. Boiling water with rock sugar can cure cough.