Cardiology can generally look at hypertension, dyslipidemia, cardiovascular diseases, structural and functional abnormalities of the heart, arrhythmias and other conditions. 1. Hypertension and dyslipidemia: Patients with hypertension and hyperlipidemia can go to the cardiology department for treatment because cardiology can diagnose lipid and vascular diseases. Elevated blood pressure and blood lipids should be controlled in time. 2. Cardiovascular diseases: For example, coronary heart disease, myocardial infarction, pulmonary embolism, angina pectoris and other cardiovascular diseases can be treated in the cardiology department. 3. Abnormalities of heart structure and function: for example, heart valve disease, hypertensive heart disease, dilated cardiomyopathy as well as hypertrophic cardiomyopathy, all need to be treated in cardiology. 4. Arrhythmias: such as paroxysmal supraventricular tachycardia, sinus arrest, atrial fibrillation, premature beats and other diseases, all need to go to the cardiology department. It is recommended to consult a doctor in time for relevant examinations, according to the specific situation, under the guidance of the doctor, symptomatic treatment.