1.A complete ban on smoking (very important)! 2, pay attention to the combination of work and rest, gradually increase the amount of activity, and do appropriate household chores within the ability to do, in order to re-enter the work and social life to do positive preparation. 3, continue to do exercises to restore lung function and lung capacity: deep inhalation, blowing balloons, effective coughing and coughing up sputum. 4. Do functional exercises for the affected upper limb to prevent dysfunction caused by long-term inactivity of the affected limb. 5.Eat less stimulating food and things that produce phlegm and hurt the lungs, such as chili peppers, raw onions and garlic, and fatty meat; eat more nutritious food and fresh vegetables and fruits, and keep the bowels open. 6.Keep the indoor air fresh, ventilate regularly every day, and avoid going to crowded public places as much as possible to prevent colds. 7.If there is fever, giant cough, sputum and blood, shortness of breath, chest pain, headache, change of vision, liver pain, bone pain, enlarged supraclavicular lymph nodes, hepatomegaly, etc., go to the hospital promptly. 8. Regular review. In principle, 1 month, 3 months, 6 months, 1 year and 2 years after surgery should be reviewed, such as chest CT, abdominal ultrasound and other examinations.