Drug balloon surgery generally refers to patients with coronary artery disease after drug balloon surgery, its postoperative need to pay attention to regular medication, dietary adjustments, lifestyle changes and so on. 1. Regular medication. In order to prevent thrombosis after drug balloon surgery, it is generally necessary to take oral antiplatelet drugs or anticoagulant drugs, such as aspirin or warfarin, etc. It is recommended that patients take medication regularly according to the doctor’s instructions, and it is forbidden to change the frequency and dosage of medication, pay attention to whether there is any abnormal bleeding, and follow up on a regular basis. 2. Adjust the diet. Diet should be light, low-salt, low-fat, avoid spicy, cold and other stimulating food intake, and prohibit smoking and alcohol. 3. Lifestyle changes. In order to maintain good health, patients need to do suitable sports when their own situation allows, regular work and rest to ensure adequate sleep. If there is any discomfort, it is recommended to go to the hospital for examination in time.