He is important for his efforts for the further consolidation of the dynasty. Admonishing the feudal lords to obey the instructions of the dynastic founders, King Wen 周文王 and King Wu 周武王, he proclaimed the "Announcement of Prince Kang" (Kang gao 康誥, now a chapter of the Confucian Classic Shangshu 尚書).
King Kang proclaimed an edict to Duke of Bi 畢 (known as the Biming 畢命) to take over the administration of the eastern capital Chengzhou 成周 (or Luoyi 雒邑, modern Luoyang 洛陽, Henan).
From the inscriptions in bronze vessels, much be learned about further enfeoffments not mentioned in historiographic sources: The marquis of Jin 晉 was ordered to take over responsibility for the royal residence in Gongmei 宮美. Yu 盂 was to oversee four domains, and nobleman called Ze 矢 was enfeoffed with the territory of Yi 宜 in the southeast. Yu later commanded the royal army on a successful campaign against the Guifang 鬼方 barbarians in the north. King Kang and his father are famous for their peaceful government during which it was not necessary to make use of the penal law at all.