Coughing up phlegm during the recovery period of pneumonia is normal. 1. Coughing is the body’s protective defense and physiological reflexes, can clear the entire respiratory tract secretions, pneumonia recovery period still exists in the airway inflammation, will produce coughing, coughing up sputum and other symptoms, but often significantly reduced compared to the pre-treatment. 2. During the recovery period of pneumonia, you should pay more attention to the change of symptoms. If the cough and sputum increase and the sputum turns from white to yellow, you need to be alert to the possibility of recurrence of the disease and further examination is needed. Pneumonia recovery need to pay attention to rest, reasonable use of cough medication, recommended under the guidance of a doctor to avoid adverse consequences.