吕叔湘先生认为“伊”开始指代第二人称是在金元时期 ,或可能是在宋代 ;《汉语大词典》则认为“伊”指代第二人称用法是在南北朝时期。本文认为“伊”作第二人称代词在唐朝时就已出现 Mr. Lv Shuxiang thinks “Yi” began to refer to the second person as being in the Jin and Yuan Dynasties or may be in the Song Dynasty; “Chinese Dictionary” means “Yi” refers to the second person’s usage in the Northern and Southern Dynasties. This article argues that “Yi” as the second personal pronoun has appeared in the Tang Dynasty