The following methods can be used: First, you can use the white onion chopped up, wrapped in a thin cloth and warmed to the fontanelle, each time about 5 minutes or so, there is the effect of the orifice. Secondly, after the hands are warmed up, wipe the lubricant and massage in the root of the nose, rubbing up and down gently to avoid hurting the skin. Third, if nasal congestion is obvious, you can use pediatric nasal drops as appropriate, 1 drop each time, 3 times a day, and observe. If the use is ineffective, accompanied by poor spirit, weak crying, poor milk eating, vomiting, fever and other symptoms, take the baby to the hospital in a timely manner. Because of the baby’s young age, the manifestation of many diseases is not typical, so as not to delay the disease.