It works. The moxibustion instrument is made of natural pumice. It perfectly combines warm moxibustion therapy, stone-picking therapy, far infrared technology, ultrasonic technology and electronic technology. Warm moxibustion therapy is one of the ancient therapies in China, which can not only preserve health, but also regulate diseases. When heated, the moxibustion instrument will generate electromagnetic waves of about 1.2 watts. At this time, it can be placed on the affected area for warm moxibustion physical therapy, which can play the role of warming meridians and dredging collaterals, warming spleen and stomach, regulating qi and relieving pain.