The care after lobectomy has the following points: 1. Give the patient continuous cardiac monitoring, low-flow or medium-flow oxygen, closely observe the patient’s vital signs, if there are special changes in vital signs, you should immediately inform the doctor to do the relevant treatment. 2. Wound care, you must observe the blood seepage of the wound, if there is more blood seepage, the dressing has been wet with blood must be promptly changed, and 3. observe the chest drains to see if they are patent or occluded, and also record the drainage flow 24 hours a day. if the drainage flow is too much, there is a possibility of delayed bleeding, which must be treated urgently.