The Classic of Three Characters has 1,145 words.

In terms of format, the three words and one sentence are catchy. Because of its popularity, fluency and easy memorization, it is called "Three Thousand" together with "Hundred Family Names" and "Thousand Characters" as the three traditional books of China.

San Zi Jing, Hundred Family Names and Thousand-character Works are also called the three major enlightening books of Chinese studies. San Zi Jing is a precious cultural heritage of the Chinese nation. It is short, pithy and catchy, and has been a household name for thousands of years. Its content covers history, astronomy, geography, morality and some folklore. The so-called "familiar with the Three Character Classics, we can know the eternal events". Based on historical reasons, San Zi Jing inevitably contains some spiritual dross and artistic defects, but its unique ideological value and cultural charm are still recognized by the world, and it has been regarded as a classic by China people in past dynasties and spread continuously. Extended information

The Three Character Classics is a traditional children's enlightenment book in China, and its popularity is extremely high. Ancient children learned to read and understand by reciting the San Zi Jing. The San Zi Jing tells the eternal philosophy in simple and popular vernacular, which is well-known and widely circulated. Not limited by words, the knowledge of various departments such as the subset of classics and history is mixed together in popular words, and the whole text is full of optimism.

Before the appearance of San Zi Jing, all the reading materials for enlightenment were four words and one sentence, while San Zi Jing appeared in the form of three words, which was easy and pleasant to read and more in line with the characteristics of children's songs. Zhao Nanxing in the Ming Dynasty called it "short and easy to read, which is very convenient for enlightenment", so it was the first book for enlightenment. In ancient times, San Zi Jing was called "Xiao Gang Jian", which can penetrate scattered knowledge and bring the encyclopedic knowledge accumulated by reading into a clear knowledge system.

San Zi Jing, Hundred Family Names and Thousand-character Works are also called the three major enlightenment books of Chinese studies in China.