The blood pressure of patients with coronary heart disease can be high, normal or low, specifically divided into the following cases: a. As patients with coronary heart disease are mostly combined with hypertension, the treatment is mainly oral anti-platelet aggregation drugs, lipid-regulating drugs, blood pressure-lowering drugs, as well as low salt and low fat diet, controlling weight within the ideal range, quitting smoking, quitting alcohol, maintaining a calm state of mind, etc., which can help reduce the adverse cardiovascular and cerebrovascular events occurrence. Second, some patients with coronary heart disease have normal blood pressure, but this group of people also needs to monitor blood pressure frequently to prevent hypertension. Patients with coronary heart disease may also have hypotension, such as heart failure when acute myocardial infarction occurs in coronary heart disease, hypotension and shock can occur, which is an acute and critical condition and must be treated as soon as possible and effectively.