The undergraduate course service project mainly is the cardiovascular diseases, including coronary disease, hypertension, heart failure, valve heart disease, arrythmia, hyperlipidemia, congenital heart disease and so on. Patient's common symptoms are chest pain, dypsnea, palpitation, dizziness, and so no. The diagnosing instrument for example: electrocardiogram, exercise electrocardiogram, 24 hours electrocardiograms, cardiac echo to provide the patients best service.