There are many hairs in the nasal cavity, there are hairs and there are hair follicles, if there is picking nose, excessive nose blowing, or recent physical condition, immunity is poor, it will be infected with bacteria, inflammation occurs. So nasal inflammation is often related to external stimuli, specific treatment is as follows: 1, try to reduce picking the nose, nose, or excessive nose blowing habits; 2, appropriate saline or iodine volts to clean up the nasal cavity; 3, if inflammation occurs, you can use topical antibiotic creams, such as Bactrim, Davibon, compound polymyxin B, fusidic acid, etc. Do not try to over squeeze, otherwise it will aggravate the spread of inflammation.