Quick-acting heart-saving pills usually take effect after 5-10 minutes, for patients with coronary heart disease, mild patients with sublingual fast-acting heart-saving pills can be relieved most of the time, this drug belongs to the fast-acting in the Chinese patent medicine, the main ingredients are chuanxiong rhizoma and ice tablets, the main effect is to activate blood circulation and remove blood stasis, and relieve pain, so patients can relieve their symptoms after oral intake of the drug, the symptom of shortness of breath and tightness in the chest can also be improved. The symptoms of chest tightness and shortness of breath can also be improved. However, patients with severe coronary artery disease are still recommended to take nitroglycerin under the tongue, because nitroglycerin can be effective after 2-3 minutes, and it is also recommended that the patient go to the nearest hospital to check the electrocardiogram, and coronary artery CT or coronary angiogram if necessary, to assess the degree of stenosis of coronary artery vessels, and to consider the need for the next step of the interventional therapy.