Liu Qinghua, Department of Respiratory Medicine, Shandong Provincial Hospital: Hello! “More than 85% of the causes of colds are viral infections, which may be followed by bacterial infections when they last for a relatively long time. Therefore, in the early stage of colds, the main thing is to rest, drink plenty of water and some symptomatic drug treatment, and at the same time can use some traditional Chinese medicine antiviral treatment. When there is yellow sputum, blood tests and other laboratory tests suggest that bacterial infection can be considered to add antibacterial drugs, you have basic liver disease, but liver function is normal, in principle, there is no contraindication to the choice of drugs, but for caution you can choose the main excretion through the kidneys and the impact on the liver is small at the same time on most respiratory infections are more sensitive to the drugs: such as levofloxacin, the new fluoroquinolones, etc., and careful choice of erythromycin, Azithromycin and other macrolides. In addition, a considerable number of patients will remain after the cold cough, called post-cold cough, and even last for a long time, it is recommended to go to the hospital in person to see a doctor after the diagnosis and treatment.