Old white sputum can be given anti-inflammatory, cough and phlegm treatment with cefdinir, or amoxicillin, honey-refined Chuanbei loquat extract, and lung power cough combination. If the effect is not good, a chest X-ray or chest CT examination is needed to rule out any other diseases in the lungs. If there is tuberculosis, anti-tuberculosis treatment is needed, and if there is a lung tumor, comprehensive treatment including surgery is needed before the patient’s symptoms will improve. In addition, the diet should be light, less spicy and stimulating food, pay more attention to rest, avoid fatigue, and exercise more in normal times to increase body resistance.