Ebony tendons are strong, durable and smooth. Ebony bar is a kind of health scraper. Scraper is the main tool for scraping. Commonly used scrapers are semicircular, fish-shaped, kidney-shaped and oval. Guasha board is made of ochre and natural buffalo horn, which can stimulate the relevant meridians and acupoints of human body, thus achieving the effect of health preservation. Has the effects of promoting blood circulation, removing blood stasis, dredging channels and collaterals, promoting qi circulation, relieving pain, clearing away heat and toxic materials, invigorating spleen, regulating stomach, harmonizing yin and yang, warming channels and dispelling cold.