This part researches the organization and domain of Henanyin in the Wei-Jin and Northern dynasties, we know Henanyin was the highest chief executive of Henan district since Eastern Han dynasty Emperor Guangwu moved the capital to Luoyang.

• 东汉光武帝迁都洛阳以后，京师所在郡河南郡的最高行政长官为河南尹，曹魏、西晋以及北魏孝文帝迁都洛阳以后，在司隶校尉或司州牧下设河南尹。