The current symptoms are generalized aching and weakness, chills, and fever. If there is a recent history of upper respiratory tract infection, it will manifest as fever, cough, and coughing sputum, usually yellow sputum, and in severe cases of secondary intrapulmonary infection, coughing sputum with blood will occur. The patient’s physical examination: dry and wet rales can be heard on auscultation of the affected side of the breath sounds, and can be complicated by dry pleurisy, the patient will show significant chest pain, if not treated in time, it will progress to exudative pleurisy, and in the most serious cases, abscess chest will appear; so when the patient’s symptoms first appear, they should go to the hospital for consultation.