歷來學者對於《古文孝經孔傳》的作者， 大多認為是隋代經學家劉炫所偽造的， 對於清代從日本回傳的《古文孝經》又多持「日人偽造」的看法。 本文（一）、《古文孝經孔傳》的流傳。探討《古文孝經》的流傳，以釐清《古文孝經孔傳 》在中國的流傳與佚亡的經過情形。 （二）《古文孝經孔傳》真偽問題評議。首先探討《古文孝經孔傳》流傳到日本的經過情形 ，再對於清代學者認為從日本回傳的《古文孝經孔傳》是日本人所偽造的看法提出評論，經 由日本學者的研究與新資料的發現，得以證明從日本回傳的《古文孝經孔傳》的祖本，實為 李唐前自中國傳入日本的，並非日人所偽造的。 （三）辨《古人孝經孔傳》非劉炫所偽造。對於歷來學者認為《古文孝經孔傳》為劉炫所偽 造之說，作者從 (1) 劉炫〈孝經述議序〉。 (2) 劉炫《孝經述議》對《孔傳》提出質疑與 不同之看法。(3) 劉炫《孝經述議》對《孔傳》用典之疏解。(4) 北魏寫本之《孝經殘葉》 。總共四個方面來探討。得出「《古文孝經孔傳》並非劉炫所偽造」的結論。 （四）《古文孝經孔傳》偽造者之推測。《古文孝經孔傳》並非劉炫所偽造，已如前論，偽 造者究係何人，本文提出「乃魏晉以後至六朝之人假托孔安國之名所偽作，以現有文獻觀之 ，其偽作者非王肅，亦非劉炫，然究係何人，則尚待充足之文獻資料，方足以考訂之。」的 結論。

　　　　　Most people beleve Liu Hsuan in the Sui Dynasty falsified "Confucius Biography Ancient Chinese Book of Filial Piety" (Ku Wen Hsiao Ching Kung Chuan). The edition passed though Japan was regarded a falsified one by Japanese. The first part of this essay explores the spread of "Ancient Chinese Book of Filial Piety" so as to clarify the spread and loss of "Confucius Biography in Ancient Chinese Book of Filial Piety". The second part comments on the true or false edition of "Confucius Biography in Ancient Chinese Book of Filial Piety": First of all, we discuss the circulation of "Confucius Biography in Ancient Chinese Book of Filial Piety" in Japan during that time. Then, we commend on if Japanese falsified the edition or not. According to the research and study of Japanese scholars as well as the discovery of new material, we prove that Chinese in the Tang Dynasty circulated the edition to Japan and Japanese did not falsify it. The third part of the essay issues regarding whether the edition was falsified by Liu Hsuan. Historically, scholars believe the edition was falsified by Liu Hsuan. The author challenges this notion through four aspects: (1) Liu Hsuan's Suggestive Introductory of "Ancient Chinese Book of Filial Piety". (2) Liu Hsuan's different opinions toward "Confucius Biography in Ancient Chinese Book of Filial Piety". (3) Understanding of Liu Hsuan's Suggestive Introduction of "Confucius Biography in Ancient Chinese Book of Filial Piety" in this "Introductory of Ancietn Chinese Book of Filial Piety". (4) Remaining Introductory of Ancient Chinese Book of Filial from Northern Wei Dynasty. We come out with the conclusion that the edition was not falsified by Liu Hsuan. The fourth part discusses the inference of the author who falsified "Confucius Biography in Ancient Chinese Book of Filial".. We have concluded that the edition was not falsified by Liu Hsuan, but who falsified it? The essay stated that someone during Wei-Chin Dynasty and the Six Dynasties used the name of Kung An-Kuo to falsity the edition. The author of falsified edition was not neither Wang Su nor Liu Hsuan. Our conclusion is that we still need to gather more information to infer who falsified "Confucius Biography in Ancient Chinese Book of Filial".