Children eat instant noodles, runny nose is mostly a physiological phenomenon, but there are also respiratory tract infections, intervention should be based on the cause, such as physiological phenomena, there is no need for special intervention, observation can be. 1. Physiological phenomenon: children in the process of eating instant noodles can be due to the food is hot, or there is a stimulating flavor of the phenomenon of runny nose, usually good spirits, no abnormal symptoms, the vast majority of cases, belong to the normal physiological phenomenon, without special intervention, you can continue to observe, if the runny nose aggravated or does not get better, you can consult a doctor for treatment in a timely manner. 2. Pathological conditions: If acute upper respiratory tract infection, the above phenomenon can occur, may be accompanied by nasal congestion, fever or cough and other symptoms, can improve the blood test to assist in the diagnosis, such as the consideration of viral infections, can be taken orally antiviral combination of four seasons of treatment, such as the consideration of bacterial infections can be added to the anti-infective cephalosporins and other anti-infective. During the course of the disease, symptomatic supportive treatments such as nasal irrigation with saline solution and sputum aspiration can also be used. The above medications should be used under the guidance of a physician. If the child’s runny nose worsens or does not get better, it is recommended that he or she be seen by a specialist for treatment.