Traditional Chinese medicine believes that tomatoes are sweet and sour in nature and have the functions of producing body fluids and quenching thirst, strengthening the stomach and digestion, clearing away heat and detoxifying. It has a good therapeutic effect on heat-related thirst, indigestion caused by overeating greasy and thick food, heat stroke, stomach heat and bitter taste, and inflammation due to deficiency-fire. In the hot summer, people lose their appetite. They often eat tomatoes mixed with sugar and tomato soup, which can relieve summer heat, increase appetite and help digestion.