The human nervous system is sensitive to ultrasound, and low-dose ultrasound can inhibit nerves. The ultrasonic wave emitted by bian stone can slow down the nerve conduction speed, thus having obvious analgesic effect.

Second, calming the yang and calming the nerves.

Spin Bian Shi has the nature of stone town subsidence, and can also be used for external security. Deficiency of qi and blood, malnutrition of five internal organs, distraction, or heat, phlegm and water disturbing the mind will all manifest as mental disorder. Scraping stones or pressing acupoints on the head can soothe the nerves and help sleep.

Thirdly, expelling cold and removing dampness, removing arthralgia and relieving pain.

Sibin Bian Shi can warm qi and blood, dredge meridians, and dispel cold, remove dampness and stop arthralgia at the same time, so it has a good curative effect on rheumatic diseases. Generally, rheumatism patients will feel the fever and pain at the stone cutting site quickly during each treatment, and stone cutting treatment has a consolidated effect on this kind of disease.