First of all, the main role of nasal hair is to grow in the front of the nostrils, can effectively filter a lot of dust or dust caused by breathing, can block these dirty things outside the nose, to prevent him from inhaling into the nasal cavity on the mucous membrane of the nasal cavity, and even the lower respiratory tract caused. There are some people who like to cut their nasal hair clean because of aesthetic problems, so that a barrier is lost, but also easy to cause some respiratory inflammation, this is something to pay attention to. There are some people’s bad habits is the need to pull out the nasal hair, this situation is easy to damage the hair follicles of the nasal vestibule, there are some serious, but also cause local hair follicle infection or nasal cavity Tingitis. This situation is something to be aware of and must be treated in the right way.