What is the principle of scraping? The more boils, the better?

The principle of scraping is to rub on the skin surface through scraping boards and other tools, so that local tissues can be quickly congested, blood vessels can be dilated, toxins in the body can be eliminated, blood can be purified, cells and tissues can absorb rich nutrients, enhance body functions, and make the body healthier and healthier.

Scraping is actually a phenomenon of capillary rupture in our body, which is beneficial to our health, but it does not mean that the more scraping, the better, nor does it mean that the more scraping, the more serious the health problems. This is not only related to everyone's physique, but also related to the master's technique.