In the late stage of pneumonia, the presence of cough and sputum indicates that the condition of pneumonia has not completely recovered, and it is still advisable to continue using anti-inflammatory drugs. It is recommended to do sputum culture and drug sensitivity test, and choose appropriate and sensitive antibiotics according to the infected bacteria to carry out intravenous drip treatment, which is more effective. If the cough with sputum is not very serious, a chest CT is done and the inflammation in the lung has basically been absorbed, cough expectorants can be used to relieve this symptom. For example, you can take Lung Power Cough Combination, compound Fresh Bamboo Liqueur, Ambroxol Hydrochloride, Ambroxol Oral Solution or Niuhuang Serpentine and Chuanbei Liquid for a week or so, and the cough with phlegm can gradually recover. You need to drink more water and pay attention to the usual diet. Spicy and greasy food should not be eaten, which has the effect of producing phlegm and will aggravate the cough and phlegm, and sweeter food should also not be eaten.