After coronary stent implantation, patients need to pay attention to low-salt and low-fat diet, medication and reasonable exercise. 1. Low-salt and low-fat diet: patients who have undergone coronary stent implantation need to reduce the intake of fat and salt, and reduce the intake of animal fats and cholesterol-rich foods, such as fried foods, animal offal, and fatty meats. 2. Comply with the doctor’s instructions to use medication: patients with coronary stent implantation need to take antiplatelet drugs such as aspirin, clopidogrel, etc., and statins such as atorvastatin or Rosuvastatin. 3. Reasonable exercise: patients should try not to move the limbs on the side of the puncture for 24 hours after the operation, and gradually resume activities such as walking for 3 to 6 weeks after the operation, and normal physical activities can be resumed gradually after 6 weeks after the operation. After coronary stent implantation, patients need to go to the hospital regularly for follow-up, review the relevant examinations and adjust the relevant medications according to the doctor’s recommendations.