Abstract: Compiling memoir of late Qing Dynasty and imperial commandments is the routine for the Memoir Institution in Qing Dynasty. Weng Tonghe played a part in XUAN Zong and WEN-Zong memoirs and imperial commandments. As deputy general editor and proofreader, he played an indispensable in compiling WEN-Zong memoir and imperial commandments. He made clear and definite records of the style design, quotation of historical facts, personnel arrangements, the compiling procedure and the mechanism of appreciation and narration, which provides us important historical data for further understanding of the practical operation of the Memoir Institution in Qing Dynasty.