本文着重介绍了这次推普调查的原因、方法、结果 ,同时对重庆市三家有典型意义的百货公司语言服务的状况作了调查研究 ,并对如何提高重庆市窗口行业的语言服务水准和推广普通话作了建议 This article emphatically introduces the reasons, methods and results of this survey. At the same time, this paper investigates the status of three typical department stores in Chongqing and discusses how to improve the language service level and promotion of the window industry in Chongqing. Putonghua made a suggestion