Bian Shi is a common physical therapy instrument in Chinese medicine, which is not only used for health care, but also for the prevention and conditioning of clinical diseases. Bian Shi's role is not accidental. Its composition contains more than 30 kinds of trace elements and minerals beneficial to human body, such as strontium, titanium, chromium, manganese and zinc, and it has dual physiotherapy functions such as infrared wave and ultrasonic wave. The composition and characteristics of bian stone determine that it has high medicinal value.