(1) Scraping is a traditional Chinese medicine therapy. Proper and reasonable application does have the effect of preserving health and treating diseases. (2) Scraping board belongs to traditional Chinese medicine physiotherapy equipment. It is recommended to go to a pharmacy or medical device store to buy a scraping board, which is not only complete in documents, but also more secure after sale. (3) There are many businesses selling bian Shi online. You should learn to distinguish between true and false. Try to choose businesses with long business hours, good reputation and complete conditions.