Eleven-month-old baby cold nasal congestion, is due to the pediatric nasal cavity is relatively short, narrow posterior nasal cavity, and no nasal hair, the mucous membrane is tender, relatively rich in blood vessels, easy to congestion, swelling, nasal congestion. You can give your baby more warm boiled water or warm juice. Ensure proper indoor humidity, you can use a humidifier, and to pay attention to warmth, to avoid getting cold. Without burning your baby’s skin, you can use hot towels to apply warm compresses to your baby’s unclosed fontanel. If the symptoms are more obvious and serious, you can give your baby appropriate medications, such as pediatric antisense granules or pediatric aminophenol xuanamin granules, bisphosphonate pseudo-marijuana dispersible tablets and so on.