Patient's question:
NoDoctor's answer:
The benefits include expanding capillaries, increasing sweat gland secretion, and promoting blood circulation. It is effective for wind-cold bi syndromes caused by high blood pressure, heatstroke, and muscle pain. The drawbacks are that scraping requires the skin surface to be scraped, and if there are ulcers, they are prone to rupture and infection, which can worsen the condition.