Concubine Cheng (died 29 May 1784), of the Manchu Plain Red Banner Niohuru clan, was a consort of Qianlong Emperor.
Concubine Cheng was a member of Manchu Plain Red Banner Niohuru clan.
In 1759, Lady Niohuru punished a eunuch who stole her clothes and sold them; a common practice in the Imperial Palace.
After the incident, she was demoted to "First Class Female Attendant Lan" (兰常在).
Concubine Cheng died on 29 May 1784 during Qianlong Emperor's southern tour.