Green bean soup is a green bean and water as the main ingredients of the soup, with the effect of thirst. Mung bean soup is relatively rich in nutrients and is a type of soup with high economic and nutritional value. Mung bean soup is a traditional Chinese folk food to quench the summer heat. Mung bean soup has various cooking methods and a wide range of flavors, the most important of which are barley mung bean soup, lily mung bean soup, pumpkin mung bean soup and kelp mung bean soup. The power of the green beans to clear the heat in the skin, so that in order to clear the heat, cooking green bean soup should not be boiled for a long time. This boiled out of the green color of green bean soup, more clear.