Make sure on do you forget only the works assigned by your boss or all the personal works too. If you forget only official works then 1. Make the use of technology 2. Keep visible reminders lik sticky notes 3. Ask someone to remind 4. Make your to do list,keep important work as priority 5. Stay calm at your work area 6. Donot accept loads of works, say YES only to the works you can manage to do with out forgetting. If you forget all the works even personal works then you need to check the reason or go for nutrient deficiency tests , medical examinatiins and find out the reason.