Li Wangyu stood with a slight toothache in the bathhouse paved with blue stones, watching a young maid of twelve or thirteen years old struggling to move a large wooden tub filled with hot water and pouring it into the bathing tub.,"To my lord, it is orchid grass. You have just recovered from a serious illness, bathing with orchid grass can ward off evil spirits.",Soappod soup, peel the skin and seeds of the soappod, only take the pod to dry, then boil it with hot water.。