OBJECTIVE: To discuss the entry point for clinical pharmacists to carry out pharmaceutical care. METHODS: The pharmacist participated the process of pharmaceutical care for an old patient with coronary disease and atrial fibrillation. RESULTS: The pharmacist played an important role in monitoring the anticoagulant intensity, heart rate, blood pressure, blood sugar, etc, and in providing pharmaceutical education for the patient. CONCLUSION: Pharmaceutical care is the entry point for clinical pharmacists when...