It has the effect of clearing heat and moistening the lungs, and transforming phlegm and stopping cough. With the changing seasons and unpredictable temperatures, it is a season of frequent colds. Chuanbei pear can prevent colds and coughs, and also has a therapeutic effect on coughs caused by colds. Chuanbei pear can nourish the throat and has a certain preventive and therapeutic effect on dry and sore throat. Pear is a cold food that has the effects of clearing heat, transforming phlegm, and generating fluid to quench thirst. Pears contains abundant antioxidants such as anthocyanins, which help control blood sugar levels. It also contains a lot of dietary fiber, which promotes digestion and weight loss. It can also enhance macrophage differentiation, reduce suspended particles and pathogens inhaled by the human body, and enhance immunity.