At the end of the Northern Wei Dynasty and the Eastern Wei Dynasty, from the Southern Song Dynasty to the Liang Dynasty (6th century AD), he served as the satrap of Lai County (now Linzi, Shandong Province) and was an outstanding agronomist in ancient China. The Book of Qi Yao Min systematically summarizes the knowledge of agricultural science and technology in the Yellow River valley of China since Qin and Han Dynasties, and the arrangement of its materials provides a basis for future agricultural works.
This book is not only the earliest and most perfect agricultural masterpiece in China, but also one of the earliest agricultural masterpieces in the history of the world, which has a far-reaching impact on agricultural production in later generations. This book consists of chapters on cultivated land, cereals, vegetables, fruit trees, trees, livestock production, brewing, seasoning, conditioning, foreign products and so on. It is the earliest and most complete large-scale agricultural encyclopedia in China.
Qi Yao Min Shu is an "agricultural encyclopedia" with high scientific value. Its contents are extremely rich, reflecting the agricultural production technology level in northern China at that time, many of which are still in use today, and the Yellow River is systematically summarized.
Agricultural production technology in the lower reaches of the Northern Wei Dynasty and before the Northern Wei Dynasty initially established an agricultural science system, which is the earliest preserved agricultural science works in China and even in the world. Linzi District built a museum in the 10,000-mu agricultural demonstration park of Zibo Qicheng Agricultural High-tech Development Zone to commemorate his great contribution to mankind.