Patients with coronary heart disease should always have the following medications at home: 1. 10-20 tablets of nitroglycerin and 1 bottle of quick-acting heart pills or salvia drops. Note: The nitroglycerin bottle must be replaced after six months of opening, and replaced once a year if it has not been opened. 2, nifedipine tablets 10-20 tablets, when blood pressure is too high can be sublingual one. 3, metoprolol or atenolol 10 tablets. 4.Diazepam 10 tablets, with sedative and anti-anxiety effect. 5.Atropine 10 tablets. Apply when there is severe bradycardia, lower blood pressure, and if necessary, 0.5-1.0mg of inotropic injection. 6.Aspirin 10 tablets. In addition, patients with coronary heart disease need to prepare several small devices: thermometer, blood pressure meter, stethoscope, oxygen bag, these things can be useful when feeling unwell.