" The Complete Book of Agricultural Administration " was an agricultural classic written during the Qing Dynasty. It mainly introduced agricultural production, farming tools, planting techniques, agricultural products trade, rural social management, and other aspects of knowledge. To be specific, the book covered the following aspects: 1. Agricultural production: It introduced the types of crops, growing environment, planting techniques, and other aspects of knowledge, as well as the production process of agricultural society and the status of agricultural economy. 2. Farm Tools Crafting: Details of how to make and use all kinds of farm tools, including plows, yokes, sickles, axes, drills, etc. 3. Planting techniques: It introduced the planting techniques of various crops, including sowing, fertilizing, watering, weeding, pest control, irrigation and other aspects of knowledge. 4. Trade of agricultural products: It introduced the trade methods and markets of agricultural products, as well as the connection and influence with international trade. 5. Management of rural society: It introduced the management and organization of rural society, including the knowledge of rural land system, financial management, social protection, etc. The Book of Agricultural Administration was a systematic and comprehensive agricultural classic, which had an important guiding significance for the development of ancient and modern agriculture in China.