A smart tablet-based neurofeedback device combined with cognitive training, a method and a computer readable medium thereof are provided. The neurofeedback combined with cognitive training method includes: receiving a measured beta wave； executing an application for attention training set to a first level； performing a predetermined operation associated with an accomplishment condition of the first level when a value of the received beta wave is larger than a predetermined reference value； and executing a second level including an added accomplishment condition for attention training when the accomplishment condition of the first level is satisfied.
