White sputum is considered to be caused by cold and flu or infectious diseases. If it is purely due to cold and flu, the possibility of viral infection is high, you can take oral antiviral drugs or anti-flu drugs, but also oral cough and phlegm medication, such as loquat lozenges or licorice tablets. If you consider infectious diseases, in addition to oral cough medication, you can also take anti-inflammatory drugs, such as a generation of cephalosporin or penicillin drugs, in the cough, cough phlegm should also pay attention to drink plenty of lukewarm water, to avoid spicy and stimulating food, if the symptoms do not improve, it is recommended that we should go to the hospital in a timely manner, improve the relevant examination, according to the cause of the disease to take different treatments.