Flying insects that fly into the nostrils need to be removed promptly or they may induce a nasal infection. It can be handled by sneezing and blowing the nose; nasal rinsing; and endonasal endoscopic removal. 1. After the flying insects enter the nasal cavity, most of them will be blocked by the nasal hairs and the tissue structure of the nasal cavity, and adhere to the surface of the mucous membrane of the nasal cavity, making it difficult for them to enter into the depths of the nasal cavity. You can sneeze and blow your nose vigorously to expel the flying insects from your body. 2. If possible, you can also use saline to rinse the nasal cavity, the rinsing effect of the rinsing liquid can also take the flying insects out of the nasal cavity. 3. If you can’t solve the problem by yourself, it is recommended to go to the hospital in time, you can look for flying insects in the nasal cavity under the nasal endoscopy, if you can find them, you can take them out of the nasal cavity with the help of tweezers or suction. Flying insects flying into the nostrils, it is recommended to consult the ENT department in time for targeted treatment.