QOL issues are most relevant in chronic disorders as epilepsy.In epilepsy patients seizures maybe infrequent and brief ,while social ,psychological sequels and adverse medications effects are persistent .Thus this work was designed to study the impact of epilepsy and anti–epileptic drugs (AEDs) on the overall quality of life aspects of adult Saudi epileptic patients hopping to improve the management of epilepsy.This was cross sectional study done on 200 adult Saudi epileptic patients.It was done in neurology outpatients clinics in King Abdulaziz specialist hospital and King Faisal hospital. the data was gained from (QOLIE–31 version 0.1) questionnaires. Data were analyzed using SPSS by (t) test.Our results showed that 44 % of patients had bad to fair QOL (5% and 39% respectively). And that the males recorded higher score on all itmes of QOLIE–31 scale than females. Also (46%) were non–compliant to treatment and consequently they had significantly higher seizure frequency and shorter seizure free period than the compliant group.therefore compliant group had a better QOL.we also found patients on monotherapy have a better quality of life.Our results revealed thatthe earlier the onset of seizures, the worst the overall QOL. And the longer the duration of illness, the more the worries towards the impact of seizures on the cognitive function, the less the ability to adopt to social functions, and the worse the general QOL