A one-year-old child who has a nasal obstruction needs to be highly suspicious of a possible respiratory infection and also needs to see if the child has any other symptoms. If there is nasal congestion, sneezing, coughing and fever, you should highly suspect a cold. Give your child oral cold pellets and medicine to clear the heat and detoxify the toxin, drink more water appropriately and keep the humidity in the room high. If the child’s nose is not ventilated for a long time, consider the possibility of rhinitis, you should give the child orifice medicine, such as orifice rhinitis granules or Xiangju granules, if combined with yellow nasal discharge, you should consider the combination of bacterial infection, you need to add anti-inflammatory drugs to control infection. If the local hospital has conditions, you can go to the hospital for nasal rinsing, which in turn can significantly relieve the symptoms of nasal congestion and reduce the symptoms of sleep disturbance in children at night.