The present disclosure relate to a method for setting a difficulty level of training contents and an electronic device implementing the same. A method for setting a difficulty level of training according to various embodiments of the present disclosure includes: checking a first reference value, which is a preset difficulty level for a first session, if the user wants to perform a training motion of the first session; providing the user with training contents corresponding to the checked first reference value during the first session; collecting the user's training details of the training performed during the first session; setting an increased difficulty level based on a second reference value, which is a preset difficulty level for a second session and the user's training details collected during the first session, if the user wants to perform a motion of the second session; and providing the user with training contents corresponding to the set increased difficulty level during the second session.