本文主要就在中国语言文字使用情况调查大纲、问卷的设计和试验调查中遇到的与普通话有关的几个问题进行探讨。文章共分三部分：（一） 普通话和方言的理论界限与普通话和方言在实际调查中的判定标准问题。（二）普通话程度的调查方式和方法及普通话与方言判定应遵循的原则。（三）普通话和方言、方言和方言接触所产生的理论问题。 This article mainly discusses several issues related to Putonghua encountered in the survey of the use of Chinese language and writing, the design of the questionnaire and the investigation of the trial. The article is divided into three parts: (1) the theoretical boundaries of Putonghua and dialect and the standard of judgment of Putonghua and dialect in the actual investigation. (2) the method and method of investigation of the standard Mandarin and the principles to be followed in the determination of Putonghua and dialect. (3) Theoretical issues arising from the contact between Putonghua and dialects, dialects and dialects.