The Cheng family matriarch and Cheng Xiyu's mother. She is mentally unstable, referred to as having gone mad. She obsessively talks about Cheng Xiyu's father and Ye Zhi, who died ten years ago. She is jealous and vindictive, grabbing Cheng Xiyu's arm with digging nails. She ordered lilies of the valley uprooted from the garden years ago.