Flying insects can be treated by tightly closing the mouth and exhaling through the nose, forceful sneezing, and bright light lures. If the treatment is ineffective, it is recommended to consult a doctor promptly. 1. Once a flying insect enters the nostril, do not pull it out with your hands. Doing so may cause the bug to enter the inside of the nasal cavity or deeper. At this time, you should inhale deeply and close your mouth tightly, press the nostrils without flying insects with your hand and then exhale outward, the strong airflow can bring the flying insects out of the ear. 2. Flying insects into the nostrils can also be stimulated by external stimulation to stimulate the body to sneeze. For example, when the hair is placed in the nasal cavity, it can stimulate the body to sneeze, and then the flying insects in the nose will be sprayed out. 3. Smaller flying insects generally have phototropic properties, in the dark environment with a flashlight from the outside to the inside irradiation of the nasal cavity mouth, into the nose flying insects can be in the role of phototropic crawling out of the nasal cavity or fly out. If the flying insects into the nose accidentally, after treatment is ineffective, you should seek medical treatment without delay, so as to avoid delaying the condition.