景仁宫為後廷東六宮之一,在承乾宮之南,延禧宮之西。大門南向,曰景仁門。建制分前殿和後宮,為一獨立的兩進院落。景仁宮於明初建成,初各長寧宮,有惟和、從善二亭。明嘉靖十四年(1535年)五月,改十二宮宮名時改稱景仁宮。另據清代孫承澤撰《春明夢餘錄》載稱:“長安宮更景仁 Jing Ren Gong Hou Hou Dong six mansions, in the south of Cheng Gan Gong, Yan Xi Palace West. Gate to the south, said King Ren door. The system is divided into front hall and harem, as an independent two into the courtyard. King Palace was built in the early Ming Dynasty, the beginning of each Changning Gong, there and only, from good two kiosks. Ming Jiajing fourteen years (1535) in May, changed the name of the zodiac palace renamed King Jen. According to the Qing Dynasty Sun Chengze wrote “Chunming dream Yu Lu,” said: "Chang’an Palace more King Jen