史学研究的内容涵盖面之广，恐怕很少有其他学科能够相比。由此，史学功能多元化的特点非常突出。它在使人们了解历史的知识、真相及规律，日益变得睿智和完善方面功德无量，但有时也因为被曲解或滥用而误人非浅甚至助纣为虐。要充分发挥史学的正面功能而避免其负面效应，不可 Historical research covers a wide range of content, I am afraid that few other disciplines can be compared. As a result, the history of diversified features are very prominent. It is extremely virtuous in bringing people’s knowledge of history, its truth and its laws, its wisdom and its perfection, but it is sometimes misleading or even abusive because it is misinterpreted or misused. It is not necessary to give full play to the positive function of history while avoiding its negative effects