Mung beans are known to relieve summer heat when used as a traditional Chinese medicine. Mung bean is the seed of the legume mung bean, as a traditional Chinese medicine, its flavor is sweet, cool in nature, attributed to the heart, stomach meridian. It has the effect of clearing away heat and detoxification, eliminating summer heat and inducing diuresis, and can be used in the treatment of carbuncle, swollen sores, summer heat and thirst, edema, and medicinal food poisoning. Therefore, green beans can relieve summer heat, moderate consumption of green bean soup can relieve dry mouth, thirst and other symptoms. It should be noted that, if there are signs of heatstroke, such as dizziness, head swelling, limb weakness, chest tightness, sweating and other symptoms, simply drinking green bean soup is not obvious, this time should be timely medical treatment, follow the doctor’s instructions. Summer can be moderate consumption of green bean soup for the body to replenish water, but if discomfort occurs, should be treated under the guidance of a doctor.