18 months baby on fire nose not flow yellow snot on the western medical consider upper respiratory tract infection, treatment needs to strengthen daily care, symptomatic treatment and anti-infection and other causal treatment. 1. Strengthen daily care: such as drinking more water, pay attention to rest, maintain indoor air circulation, reduce clothing as appropriate. 2. Symptomatic treatment: Nasal drops of saline can be used, and cotton swabs can be used as appropriate to clear nasal secretions to relieve nasal congestion, yellow runny nose and other symptoms. If necessary, you can add PuDiLan anti-inflammatory oral solution and other drugs to support the symptoms of the treatment. 3. Causal treatment: 18 months baby nose is not flowing yellow snot, generally believe that there may be a bacterial infection, need to use antibacterial drugs under the guidance of the doctor, such as cefaclor and other anti-infective treatment. The 18-month-old baby’s nose does not flow yellow snot, there are other possibilities, such as rhinitis and so on can also lead to similar symptoms, it is recommended to consult a doctor for diagnosis and treatment in a timely manner. The above medications should be used under the supervision of a physician.