Children with small meatballs in the nose may be nasal polyps, inferior turbinate hypertrophy, nasal tumors and other diseases. 1. Nasal polyps: the pathogenesis and etiology of nasal polyps are not yet clear, and it is considered to be caused by bacterial, viral and other pathogenic microbial infections, as well as genetic factors. The main symptoms of the children are nasal congestion, increased secretion, nasal swelling, etc. The children will also have smell disorder, tinnitus and other symptoms. 2. Hypertrophy of inferior turbinate: Hypertrophy of inferior turbinate is mainly caused by chronic inflammation of the mucous membrane layer, medication and other stimuli, children will have nasal congestion, runny nose and other symptoms. Due to the hypertrophy of the nasal mucosa, the child’s nose will appear similar to the symptoms of small meatballs. 3. Nasal tumor: the etiology of nasal tumor is not clear, considering that it is caused by nasal trauma, chronic inflammation and other factors. The main symptoms of patients are nasal congestion, headache, tinnitus and other symptoms, which will lead to the phenomenon of small meatballs in the nose of the affected children. When children have small meatballs in the nose, parents should take their children to the hospital in time to identify the cause of the disease and follow the doctor’s instructions for treatment.