I study a lot I needed to study long hours In order to understand the lesson
When I go to the exam ,I can not focus and remember
Are there any suggestions?
Free your mind from other load and focus on the exam,thinking a lot will only makes you incapacitated and your mind will be divided to many things.
Sleep well at night and wake up 4am in the morning so your mind is fresh.
Then review the exam and make sure every details will cross your studying for better result. this is what i do when i am still studying.