White carrot water will not work to remove yellow phlegm, and white carrot water has no role in treating the disease. Treatment should be individualized to the cause of the yellow phlegm, such as an upper respiratory infection, for the best and fastest results. Carrot water can not remove the yellow phlegm, the patient coughing yellow phlegm, consider the existence of respiratory tract infection, especially common bacterial infection caused by yellow phlegm, some patients will also have a generalized fever, hemoptysis and other symptoms. It is recommended that the patient seek medical attention to further improve the chest CT examination and blood routine, if necessary, sputum culture can be carried out to identify the pathogenic bacteria after the use of sensitive antibiotics for symptomatic treatment. Empirical antibiotics include quinolone antibiotics, such as ciprofloxacin, levofloxacin, and cephalosporin antibiotics, such as cefepime, cefoperazone, cefuroxime and so on, but the above drugs need to be used under the guidance of a doctor. If there is any discomfort, it is recommended that patients go to the respiratory department of the local hospital in time to consult and follow the advice of a professional doctor for treatment, the above views are for reference only.