It is possible for a baby’s yellow runny nose to heal on its own, but the likelihood of it doing so is low. If you hope for a self-cure, it usually takes too long and may also cause your child’s condition to become more serious. Therefore, when your child has any physical abnormality or discomfort, it is best to get reasonable treatment in time. The first thing to do is to go to the hospital for a checkup to determine the cause of the problem before giving the appropriate treatment. The common cause of yellow nasal discharge is nasal infection caused by wind-heat colds, chronic rhinitis or acute rhinitis. When the nasal secretion increases, it is not easy to be discharged and stays in the nasal cavity for a long time, so yellow pus will appear. If it is caused by cold, active treatment and drink more water can be. Yellow nasal discharge caused by chronic rhinitis, the treatment is mainly to smooth drainage and reduce nasal infection, or anti-inflammatory treatment for bacterial and viral infections, or the local use of nasal spray hormone, yellow pus nasal discharge can be effectively controlled in this case, but also with the nasal irrigation to smooth drainage and restore the function of the nasal cavity of the treatment, to be able to be cured. Baby yellow nasal discharge is relatively common, in order to avoid the self healing time is too long will lead to the emergence of other diseases, it is best to use medical means to assist in the treatment. Usually parents should pay more attention to the child, if the child has any discomfort, can be detected early, timely treatment.