Construction of coronary heart disease cohort of more than 10000 patients in China. Investigation on current situation of secondary prevention of CHD will be carried out and the effect of physician training and patient education will be evaluated.

More than 40 hospitals of 16 provinces will enroll patients for this study. The study will include patients with diagnosed coronary heart disease. Investigators and all the physicians who will involve in daily care of CHD patients will have a brief training on guideline of secondary prevention in CHD and take a test on that. Questionnaires are used to evaluate patient's cognition of their diseases and knowledge on coronary heart disease. Patient education will be carried out during a 2 years follow up of all the patient enrolled before they are required to fill out another questionnaire. Physicians will also take a second test on secondary prevention of CHD at that time. Patients will take blood lipids and glucose test according to their physician's requirement.The effect of physician training and patient education will be evaluated by comparing the results of questionnaires and tests at the beginning of the study and in the end of the 2 years follow up.

Inclusion Criteria:

• Diagnosed coronary heart disease
• Confirmed by coronary angiography;
• Diagnosed myocardial infarction;
• Typical symptom of ischemic chest pain with positive stress test;
• Willing to sign an inform consent.

Exclusion Criteria

• Patients won't sign an inform consent or will not comply with the follow up.

Diagnosed coronary heart disease