The present invention relates to plank core exercise equipment that enables balancing exercises. According to the present invention the plank core exercise equipment is formed by coupling a balance unit that can be attached/detached to/from or drawn in/out of a lower part of a main board which enables plank core exercise so that plank core exercises and balancing exercises can be performed, and thus full-body workouts can be performed. Accordingly, the plank core exercise equipment has the effects in which: it is possible to perform full-body workout exercises through compound exercises; exercises can be modified into various workouts so that a user is able to continuously have fun and feel entertained, thus enabling the body to be trained through efficient exercise and continuous exercise; the problem of safety accidents in which the elbow or like is injured by being overwhelmed by body weight is resolved, thus enabling more stable exercises to be performed; exercises can be conveniently performed anytime and any place without being limited by place or time; and the equipment can be conveniently stored and moved.