The appearance of white sputum can be considered to be a clinical manifestation caused by the increase of mucus secretion due to the irritation of the respiratory mucosa by pathogens, but it is not possible to judge whether it is a viral or bacterial infection based on the color of the sputum. When the phenomenon of white sputum is obvious, it is recommended to go to the respiratory medicine department of the regular hospital in time for blood routine and other related examinations, blood routine examination results show that the white blood cell or neutrophil count is elevated, generally consider the existence of bacterial infection. Amoxicillin capsules, cefixime tablets and other broad-spectrum antibacterial drugs can be used to treat the cause. If the blood count shows elevated monocyte or lymphocyte counts, viral infections are more likely to be considered. Antiviral treatment is generally not needed for common colds, but for immunodeficient people or influenza, antiviral drugs such as oseltamivir phosphate capsules are recommended. If there is any abnormality, you should actively consult the doctor for examination and clarification of the cause of the disease, and take medication in accordance with the doctor’s instructions, so as to avoid unauthorized use of medication, which may lead to undesirable consequences.