1.5 year old baby if the nose does not breathe, to find the cause, but also need to see whether the child has other accompanying symptoms. How much time the nose does not breathe, such as the child has a cold situation, sneezing, coughing, fever and other symptoms, need to consider respiratory infections, give the child oral cold particles and detoxification drugs. If the child’s nasal congestion, runny nose for a long time, yellow nasal discharge, need to be highly suspicious of rhinitis, sinusitis may be, for further examination, such as rhinoscopy or sinus CT examination, such as the diagnosis of this disease, the need to carry out nasal rinsing, oral orifices drugs, orifices and rhinitis particles or chamomile particles. If there is yellow nasal discharge should be added anti-inflammatory drugs to control the infection, the recurrence of this symptom, you need to consider the infusion treatment, after all, the child’s age is relatively small, the physical condition is relatively poor. The above content is for reference only, the specific medication, treatment, please by the doctor’s interview guidance shall prevail.