Conversational Chinese 301 is regarded as the most popular Chinese textbook for foreigners all over the world at present, which has sold more than 1,000,000 copies in 25 years since its first edition was published in 1990.Now Conversational Chinese 301 (4th edition) is revised in the following two aspects. (1) Some conversations have been rewritten to reflect the new features of social life at present by adding some fresh words as ??GAOTIE (high-speed rail)??, ??KUAIDI (express delivery)??, ??WEIXIN (WeChat)??, etc. for example, while the grammatical points are still in the original order. (2) All the teaching contents, the new words, the translations, and the illustrations have been improved in a more accurate way.