The symptom of runny nose does not necessarily mean that the cold is getting better, but it should be judged according to the specific condition, as follows: 1, not getting better: usually due to a decline in immunity, caused by viral infection, which often leads to congestion, edema, and a large amount of inflammatory secretions exuding from the mucous membrane of the upper respiratory tract, these secretions are mainly white or clear, usually manifested as the symptom of runny nose The condition is more serious and not improving; 2. is improving: if the cold is caused by bacterial infection, then the nasal mucosa will appear to have a large amount of yellow, or green purulent secretions exuding, will flow yellow or green nasal discharge, if it turns into clear nasal discharge, it means that the condition is improving, indicating that the inflammation of bacterial infection is gradually subsiding.