今所流傳三種版本之《葉文定公年譜》，近人有疑其非孫衣言所撰， 且三種版本之來源亦未能知其始末，故本文撰作之主要目的，乃直接透過年譜內容所述譜主葉適事蹟，以考究撰作者之可能，並釋今人之疑。本文先就有關《葉文定公年譜》作者是否為孫衣言所引發之爭議，羅列諸家所本之正反面證據，予以解釋考論，以彰明撰作者確為孫衣言。此外，透過孫衣言對葉適遺作之整理校注，與對其之嚮慕，以旁證孫衣言與《葉文定公年譜》之作者確實存在關係，如從〈《水心文集》孫衣言批注輯錄〉，已發現諸多可資旁證《葉文定公年譜》確為孫衣言所撰之線索。

The circulating ternate editions of A chronicle of Ye Shi had been queried not compiled by Sun Yiyan in recent decades. Owing to indeterminate origination of these editions, the aim of this article is trying to verificate and recognize the compiler by Ye Shi's deeds from the description of chronicle. Firstly, in order to clarificate the compiler of this chronicle is indeed Sun Yiyan, it is necessary to list all pros and cons evidences and to inspect and validate them. Secondly, collating and annotating Ye Shi’s writings was due to Sun Yiyan's deep admiration for Ye Shi, and it could provide some powerful circumstantial evidences about the relationship between the compiler of A chronicle of Ye Shi and Sun Yiyan. For example, there have been found lots of circumstantial evidences that Sun Yiyan surely was the compiler of this chronicle from ＂The collection of Collected writigns of Ye Shuixin postil by Sun Yiyan＂.