Objective To explore the pharmaceutical care plan of clinical pharmacist for elderly patients with coronary heart disease and renal insufficiency. Methods To develop the therapeutic schedule in cooperation with clinicians through clinical rounds, in order to offer specific pharmaceutical care and further develop individualized care plan during patient ' s hospitalization. Results Clinical pharmacists paid close attention to the indicators and adjusted administration time when the adverse reactions such as lower blood pressure, leukopenia, and deterioration of renal function occurred, and finally avoided further potential adverse reactions. Conclusion The incidence of adverse drug reactions were reduced, the safety and efficacy of drugs used were guaranteed, which can promote rational and effective use of drugs in clinic. The overall quality of healthcare was improved with pharmacist involvement.