Once the cardiac intervention has been done, in terms of care: 1, the patient’s emotions should be stabilized. The patient will have mental tension and even fear after the procedure, so calm the patient and bring him an intimate environment. 2. Do not eat fatty meat and high cholesterol food, and eat more green vegetables and fruits. Patients are encouraged to increase their confidence and to observe adverse reactions according to the drug application. After discharge from the hospital, the patient should be advised to take the medication regularly and quantitatively and to review it regularly.