Using aged mugwort to soak the feet can have a certain effect of promoting blood circulation in the feet, potentially accelerating blood circulation throughout the body, thus being able to achieve a certain effect of relieving fatigue. Mugwort itself has a certain effect of expelling cold and detoxification, so it can promote the discharge of cold and dampness and accelerate blood circulation, which is also of great help to the body. But it is recommended that you can choose warm water for soaking, not too hot water for foot soaking. Aged mugwort refers to aged mugwort leaves, that is, mugwort leaves that have been preserved for more than one year are called aged mugwort leaves. The three to five year old mugwort is the best, known as three years old mugwort and five years old mugwort, mugwort is a perennial herb of the family Asteraceae, and has long been recorded as having medicinal uses by Chinese herbalists. The color of mugwort is usually yellowish, and it has a milder odor due to the volatile mugwort oil. When aged mugwort burns, the heat is milder and the efficacy is relatively strong.