The precautions after pleural fixation include caring for the drainage tube, appropriate activities, and observing adverse reactions. ⒈ nursing drainage tube: pleural fixation is to promote adhesion in the pleural cavity and reduce the recurrence of pneumoperitoneum and effusion. Due to the need to leave the drain tube after surgery, it is necessary to take care of the drain tube, keep the drain tube open, and squeeze the drain tube regularly, if the daily drainage is less than 100 ml after the drain tube can be considered to remove. PEAK appropriate activities: In order to promote postoperative recovery, patients should get out of bed as early as possible to carry out activities, and take the initiative to cough, cough sputum, to maintain the smoothness of the respiratory tract. 　　　Observe the adverse reactions: some patients may have fever, acute pulmonary edema, respiratory distress syndrome and other complications occurring after pleural fixation surgery, and also closely observe the body temperature, lung signs and other conditions, if there are any adverse reactions, they should inform the doctor in a timely manner, and be treated under the doctor’s guidance.