The appropriate position for patients with acute pleurisy is the affected side, because after adopting the affected side, the activity of the dirty pleura and the wall pleura is reduced, which can reduce the chest pain caused by the friction between the dirty pleura and the wall pleura, and the patient can reduce the pain. According to the presence or absence of pleural effusion, it is also necessary to clarify the need for thoracentesis and aspiration or closed drainage of the chest cavity, so that the fluid in the chest cavity can be drained out of the body and the phenomenon of chest tightness and shortness of breath can be reduced. In addition, routine pleural fluid, pleural fluid biochemistry, pleural fluid culture and other tests should be performed to clarify the nature of the pleural effusion, and then take treatment for the original disease so that acute pleurisy can be cured at the root.