If a newborn baby has a non-ventilated nose, the following reasons are mainly considered: 1, cold, which belongs to the most common causes of children’s nose, in addition to the nose, but also often have a stuffy nose, runny nose, sneezing, coughing, and even fever. For this situation, parents can give their children to eat heat and detoxification of oral liquid, such as Pu Di Lan anti-inflammatory oral liquid or Blue Baicalin oral liquid. Generally, Baicalin Oral Liquid is more effective when the child’s nose is not clear and is accompanied by fever, while Pu Di Lan Anti-inflammatory Oral Liquid is more suitable for children whose nose is not clear and who do not have fever. The two drugs have a good antiviral effect and have a significant therapeutic effect on the child’s viral cold. 2, rhinitis, the child’s nose is not a long time, not a short time to form, the child also does not have a history of cold, you need to give the child timely application of antihistamine drugs, such as loratadine, cetirizine syrup.