《红楼梦》舒元炜序本原来共80回,其中的53回是玉栋原有的,另外的27回是向邻家借来的,合抄成一部。但到底现存的40回中哪些是原有的,哪些是借来的呢?这个问题始终是《红楼梦》版本研究中的一个谜。笔者发现,舒本各回天头大小的区别可以成为研究该问题的一个切入点。天头大小在影印本上体现不出,经过对抄本原件天头大小的分析,并对其文字特点深入研究后,笔者初步得出“天头大的部分里原有的,天头小的部分是借来的”之结论。 “Dream of Red Mansions,” Shu Yuan Wei, a total of 80 times the original sequence, of which 53 times the original Yodong, and the other 27 times is borrowed from the neighbors, a copy into a. However, what are the existing ones and which ones are borrowed from the 40 existing ones? This question has always been a mystery in the version of “Dream of Red Mansions”. The author finds that the difference between the size of Shumoto’s back can become an entry point for studying this issue. The size of the sky can not be reflected in the photocopies. After analyzing the size of the original copy of the transcript and the in-depth study of its textual characteristics, the author concludes that “the original, small part Is borrowed ”conclusion.