After the flu does not fever but cough yellow sputum shows that the disease has not been cured, the patient needs to continue to use drugs, but can not blindly take antibiotics, should follow the doctor’s instructions standardized medication, commonly used drugs are antiviral drugs, cough expectorant drugs. Influenza that is influenza, is the influenza virus caused by acute respiratory infectious diseases, patients will appear high fever, headache, fatigue, cough and other symptoms, infectious. After the flu patients fever but still cough yellow sputum, suggesting that the disease has not been cured, patients also need to continue to use medication to avoid delays in the condition. However, it should be noted that the patient can not self-medication, can not blindly take antibiotic drugs. Since influenza is mainly caused by influenza virus infection, antiviral drugs such as oseltamivir, zanamivir, paramivir, etc. should be taken as prescribed by the doctor. If the patient’s cough and phlegm symptoms are severe, the patient can take drugs to relieve cough and expectorant, such as Ambroxol Hydrochloride, Bromhexine, and so on as prescribed by the doctor. If there is no improvement after taking the above medications, it is necessary to clarify whether there is a combination of bacterial infection under the guidance of a physician, and after clarifying the bacterial infection, it can be replaced with drugs such as levofloxacin, cefuroxime, and so on. Influenza patients, it is recommended to consult a doctor in a timely manner, should strictly follow the doctor’s instructions for medication, is strictly prohibited to take medication, otherwise it may not be effective.