Cognition is the mental process of acquiring knowledge and understanding through thought, experience, and the senses. It is in essence, the ability to perceive and react, process and understand, store and retrieve information, make decisions and produce appropriate responses. Intelligence plays a very determining role in the adjustment of an individual. An individual with higher intelligence is more likely to perceive his environment more accurately and respond properly to the stimuli present there and thus making his adjustment to the environment in a better way than does individual of lesser intelligence. The present study investigated the effect of cognition/ intelligence on all aspects of work perception of working & non-working women of Muzaffarpur District by applying incidental cum purposive sample on 240 women, half of them were working and the rest half were non-working (housewife). The result indicated that working women were found superior in intelligence and better in work orientation