Inclusion Criteria:  1. Age equal or more than 20-year-old 2a. Patients already diagnosed of epilepsy 2b. Non-epileptic patients from outpatient and inpatient settings of National Taiwan University Hospital (NTUH) and National Taiwan University Hospital Yunlin Branch (NTUHYL) 2c. Community health people  Exclusion Criteria:  Participants with cognitive decline (Clinical dementia rating > 1) and could not answer the questionnaire reliably. However, participants will be recruited if their caregivers are fully aware of their recent condition and will help to complete the questionnaire. Pregnancy or breast-feeding Having adverse effect to all the anti-epileptic drug used in the study