Mung bean is a common ingredient in daily life, sweet in taste and cold in nature, with the effect of relieving summer heat, diuretic and detoxification. Bamboo leaf is sweet and light in taste, cold in nature, and has the function of clearing heat and removing irritation, producing fluid and diuresis. The two can be taken orally together to treat heart trouble, insomnia and painful urination caused by excessive heart fire, as well as high fever, heart trouble and thirst caused by summer heat stroke. It can also be used to treat conditions such as sore throat, sores and swelling caused by too much internal fire. Mung beans and bamboo leaves are relatively inexpensive, relatively easy to obtain, and are also very popular herbs used by the common people for their usefulness.