Both children and adults lie. Is the child's lie a "lie" like the back of the person's mind? Will the child lie fake false in the first place? In order to answer these questions, from the mechanism of memory, recollection, imagination, talking Verify. Through psychological experiments and observations, we unravel human mind wonders by clarifying psychological essentials indispensable for the creation of the higher fictional concept of "lie". Supporting this verification process is to ask questions firstly, secondly to acquire research methodology, and to continue exploring in the third.