Hair ingrown in the flesh will not disappear slowly, but will be discharged from the body in various ways, and in some patients it will be wrapped in the skin and mechanized to form a nodule. Hair into the flesh, will be a foreign body in the form of local skin irritation, and produce inflammatory changes, such as local redness, pain, and pus, etc., usually with the pus secretion and discharged out of the body. Hair that is not discharged in a timely manner will continue to cause a localized inflammatory reaction in the skin, and in a very small percentage of the population, may become mechanized and form subcutaneous nodules. In the case of localized infections, some anti-inflammatory drugs can be administered, such as oral amoxicillin capsules, roxithromycin capsules and so on. Specific medication must strictly follow the doctor’s instructions.