2. In 2005, the Office of the National Leading Group for Promoting Putonghua revised the publicity outline and slogan for promoting Putonghua.
3. According to the Law of People's Republic of China (PRC) on the Common Language and Characters, Putonghua is the national common language and characters.
4. Language is the most important communication tool and information carrier. In the historical process of China's modernization, vigorously promoting and actively popularizing Putonghua, which is commonly used throughout the country, is conducive to eliminating language barriers and promoting social exchanges, and is of great significance to social, economic, political, cultural construction and social development.
5. The level of information technology is one of the symbols to measure the level of science and technology in a country. Standardization of language and characters is the premise of improving the level of Chinese information processing. Popularizing Putonghua and implementing the scheme of Chinese Pinyin are conducive to promoting the development and application of Chinese information processing technology.