我国已经实现了祖国大陆的统一,全国人民已经认同了把普通话作为我们共同的语言,但是在实际运用中存在着许多问题。本文从普通话的使用情况、汉字运用方面、新事物对现代汉语的冲击三个方面具体阐述维护现代汉语纯洁性的必要。 Our country has already realized the unification of the motherland and the mainland. The people throughout the country have already accepted Putonghua as our common language. However, there are many problems in its practical application. This article elaborates the necessity of maintaining the purity of modern Chinese in three aspects: the use of Putonghua, the application of Chinese characters and the impact of new things on modern Chinese.