The clinical manifestations of acute pyothorax mainly include dyspnea and chest pain, accompanied by high fever and cough. Acute pyothorax is often secondary to lung infections, and patients with pyothorax may suffer from chest infections due to purulent exudate; the pus in the chest may infiltrate into the respiratory system and lead to respiratory damage, such as bronchopleural fistulas, which may lead to coughing, coughing up a large amount of purulent sputum, etc., and in severe cases, the infection may cause high fever, dyspnea, and chest pain. Septic thorax is a common clinical condition, generally easy to recur; septic thorax patients are generally weak, it is recommended to eat more high-protein foods, fresh fruits and vegetables to supplement the nutrition, such as eggs, celery and so on. Patients should go to the hospital in time after the appearance of the corresponding symptoms to avoid delayed treatment.