Yan Qingqing's older sister from the birth family (Sun family). She secretly followed Yan Qingqing after her wedding. She took the 400 yuan that Yan Qingqing gave her, claiming it was for Qin Hongying's terminal cancer treatment, but Qin Hongying was perfectly healthy. Sun Taohua used the money to buy fine clothes, meet a suitor, and marry well. She was relieved that Yan Qingqing was dead because she did not want Yan Qingqing to ruin Wanqiu's future. She snarled and cursed Yan Qingqing's spirit after her death.
