The Thermal Dynamics Instrument, fully known as the "High-Frequency Energy Thermal Dynamics Instrument," is a device that utilizes heat generated by high-frequency electromagnetic waves for physiotherapy on the human body. Through the physiotherapeutic method of ultra-high-frequency electromagnetic waves, it induces endogenous heating in local tissues of the body, thereby improving physiological cell function and promoting tissue repair. The mechanism of action of this device involves accelerating the recovery and improvement of the microcirculatory system, enhancing the metabolic functions of cells and tissues, increasing the efficiency of ATP production, and consequently promoting the regeneration and repair of cells and tissues.