It is recommended to improve the sputum culture examination or further blood test for inflammatory indexes such as C-reactive protein and calcitoninogen. If the above inflammatory indexes are higher than the normal value, it further indicates the combination of bacterial infection, and anti-infective treatment should be given with sensitive antibacterial drugs according to the sputum culture results. At the same time, you can also take some oral anti-cold medications, such as Chinese herbal medicines with antipyretic or antiviral effects, and the symptoms will be significantly relieved after 5-7 days of active treatment. During the period of cold and cough, you should also pay attention to rest, do not stay up late, drink more warm water, keep indoor air circulation, and avoid spicy and stimulating food.