After pleural effusion extraction, it is necessary to observe one’s own situation, pay attention to rest, maintain hygiene, and review regularly. 1. Observe one’s own situation: If there are any discomfort reactions such as dizziness, chest tightness and shortness of breath after the extraction of pleural effusion, one should inform the doctor in time to avoid delaying the condition. 2. Pay attention to rest: the extraction of pleural effusion is an invasive operation, so you should pay attention to rest after extraction, avoiding strenuous physical activities, so as not to cause the wound to split. 3. Maintain hygiene: pay attention to the hygiene of the wound area and clean the wound regularly to prevent bacterial or viral infection. 4. Regular review: regular review is recommended after the extraction of pleural effusion, which can be done by ultrasound or X-ray, etc., to observe whether it is necessary to drain or puncture again and to determine the effect of treatment. After the extraction of pleural effusion, the above precautions should be followed to promote better recovery of the wound.