5 months baby resistance is poor, easy to catch a cold upper respiratory tract infections, and the nasal mucosa is more likely to be congested, coupled with excessive secretions will be more likely to appear nasal congestion nose. At this time you can through hot compresses, massage, drugs and other methods of treatment, specific analysis is as follows: 1. Hot compresses: you can use a clean towel wet with warm water, and then put it on the baby’s nose to help nose blood circulation, relieve the symptoms of nasal congestion. 2. Massage: you can give your baby a gentle massage on both sides of the nose, can also play a role in promoting blood circulation, help the nose ventilation. 3. medication: if the nasal congestion caused by colds is more serious, you can also use medication under the guidance of a doctor, such as pediatric cold granules. It is recommended that the 5-month-old baby’s nose is not ventilated nasal congestion if it has not been able to relieve, the need to go to the hospital in time to do the relevant examination, to identify the cause of the treatment under the guidance of the doctor, follow the doctor’s instructions.