The contents of Zeng Guofan's letters include self-cultivation, dealing with people, making friends and knowing people, being parents, running the army and politics and so on. Reciting the experience is of great benefit. Rich life, complex personality, mixed reputation and endless controversy. However, thousands of letters from home show their enthusiasm. Today, the charm of this book is presented to readers in the form of literary comparison.

Zeng Guofan's letters are important materials for studying Zeng Guofan and the late Qing Dynasty. After Tongcheng School, Zeng Guofan traced back to history and did not establish Xiangxiang School. His writing style is calm and free in form. He saw the truth in every bit of real life and accumulated his conscience, which fully embodied his reputation as "the highest generation of moral articles".