This trial will try to perform pharmaceutical care on ambulatory elderly diabetes patients.
To provide appropriate diabetes education administration, identify and resolve drug-related
problems, assess the appropriateness of their medications, establish the mechanism of
medication consultations. Each patient will be assessed by the MMSE(Mini-Mental State
Examination) and GDS(Geriatric Depression Scale). The effectiveness of pharmacist's
intervention will be assessed by lab data and some questionnaires.