Whereas the hypothesis Mr.Wang Guowei has proposed of dual attestation is usually con sidered as a signpost, there are quite a few different viewpoints among scholars.

• 摘要王国维先生提出的二重证据法，被研究古史的学者奉为圭臬，但是对二重证据法的理解却各有不同，甚至有些学者在运用二重证据法时还出现偏差。