Individual medication counseling for outpatient with diabetes mellitus was carried out by an instructor who was a faculty staff member of the department of pharmaceutical sciences (DPS) as a part of pharmaceutical clinical training of pharmacy students. The team instructor from the faculty of DPS and a hospital pharmacist investigated the chart of the patient with diabetes mellitus based on a request from a doctor, and according to the counseling policy, it counseled the patient after first discussing the details with the doctor. Pharmaceutical students observed this process as part of their training. Although the drug specifies had already been explained to the patient by the doctor, for ther details regarding the pharmacological contents of the dosing drug, the drug efficacy at the application, dose, side effects, especially hypoglycemia, etc. were explained to the patient. As some patients have other diseases besides diabetes mellitus, the effects of drugs for other diseases were also explained. The report was made after finishing all counseling, and was submitted to the doctor. The participation of faculty members from the DPS in clinical training is an effective method for educating students. In addition, it is also important to increase the numbers of opportunities for hospital pharmacists to share clinical experience with the faculty member of the DPS. It is therefore necessary to increase the mutual cooperation between the faculty staff members of the DPS and hospital pharmacists to improve the overall education of pharmacy students.