清儒汪龙治《诗经》学著有成就,但其《毛诗申成》未刊,学者未见。北京大学图书馆所藏汪龙《毛诗申成》清抄本,实为稿本。可与汪龙《毛诗异义》刊本相参考,具有重要学术价值。汪氏治学,善于比较毛《传》和郑《笺》的异同,也善于吸收各家考证成果。本文略举数例,以引起学界的重视。 Qing Confucianism Wang Longzhi “The Book of Songs” learned achievements, but its “Mao Poetry Shencheng” unpublished, scholars have not seen. Peking University library possession of Wang Long, “Mao Shi Shen Cheng,” Qing copy, is actually a manuscript. Can be used with Wang Long “Mao Poems Synonymous” edition reference, has important academic value. Wang’s science, good at comparing hair “Biography” and Zheng “笺” similarities and differences, but also good at absorbing the textual research results. This article gives a few examples to arouse the academic attention.