2. It can be used for cold pain in the lower abdomen and cold limbs caused by deficiency of cold in the lower energizer or cold coagulation and blood stasis, and can also be used for female dysmenorrhea, amenorrhea and dysentery. In addition, the boiled water of ginger and mugwort leaves can inhibit a variety of bacteria, such as Escherichia coli, Staphylococcus aureus and mold, and can be used for beriberi, chilblain and other diseases. To sum up, it is usually mainly used for cold syndrome. If it is a heat certificate, try not to use it.