Insufficient blood supply to the heart can be treated by dilating the coronary arteries or relieving the spasm of coronary arteries, etc., and following the doctor’s instructions to take long-term preventive treatment with drugs such as atorvastatin calcium tablets and aspirin enteric-coated tablets. 1. Expansion of coronary arteries: If the patient has insufficient blood supply to the heart, it may be caused by coronary atherosclerosis, which can be relieved by expansion of coronary arteries, which can be treated with medicines under the guidance of doctors, such as nitroglycerin tablets, isosorbide mononitrate extended-release tablets, isosorbide nitrate injection, and so on; and surgical treatments, such as coronary stenting and coronary bypass grafting, are also available when necessary. 2. Relieve coronary artery spasm: patients in the occurrence of coronary artery spasm, there may also be insufficient blood supply to the heart, can improve the symptoms through the relief of coronary artery spasm, can be used under the guidance of the doctor to treat the drugs, such as diltiazem hydrochloride extended-release capsules, isosorbide mononitrate dispersible tablets, etc., and in the usual quitting smoking and limiting alcohol, to avoid emotional excitement, etc.. It should be noted that insufficient blood supply to the heart usually requires long-term treatment with atorvastatin calcium tablets, aspirin enteric-coated tablets and other medications as prescribed by the doctor, in order to prevent the condition from worsening. If the patient recurs insufficient blood supply to the heart, should go to the regular hospital in time, under the guidance of a professional doctor, symptomatic medication, so as to avoid delays in the condition, resulting in adverse reactions.