Children’s nose into the foreign body has been invisible need to consult a doctor in time, through the doctor’s examination, to determine the location of the foreign body to stay, to take appropriate treatment. If the child has no symptoms, nasal endoscopy can be used to check the depth of the nasal cavity, to rule out whether there is a foreign body stuck; if there is a sense of foreign body in the throat, electronic laryngoscopy is needed to observe the presence of foreign bodies under direct vision; If the child has a choking sensation when eating, gastroscopy and CT of the neck should be performed to rule out the foreign body stuck in the esophagus and other places. If there is choking, breathlessness, poor spirit and other uncomfortable symptoms, it is necessary to immediately perform chest CT or tracheoscopy to rule out the foreign body stuck in the trachea, bronchus or lungs, and after clarifying the location, it should be treated in time so as not to delay the condition. When there is a foreign body into the nasal cavity, it is necessary to consult the ENT department in time to clarify the diagnosis and treatment.