The following precautions should be taken after nail extraction: 1. Avoid excessive local squeezing of the affected area, avoid standing for a long time and walking for long, long distances, avoid wearing shoes that do not fit the foot, shoes that are too tight and cause excessive local pressure on the affected area to aggravate the inflammation. 2. Avoid spicy and irritating foods, including raw onion, raw garlic, strong tea, coffee, chili, mustard, and also avoid eating seafood such as shrimp, crab, scallops, and hairy items such as beef, mutton and dog meat. The company’s main business is the development of a new product, which is a new product.