By adopting the metod of the comparison and making the choice of the two links — the uncertainness and unpracticalness of the image ”Yiren”, the author attempts to probe into the dim and elegant artistic temperament and interest in ”Jian Jia”, and meanwhile seeks the original cause of the formation of its simple speech with abundant meanings.

On the basis of literature reviews, the study developed two self-enhancement questionnaires that measure the above-average effect and the unrealistic optimism separately, and then validated its good reliability and distinction.