Si Cheng's mother, a hot-tempered woman who took out her frustration on Si Cheng after the house money was confiscated. She suspected her third sister of setting a trap. She was violent toward her husband and used Si Cheng as a punching bag for her anger. She wanted to buy commercial housing as a symbol of city dweller status. After divorcing Si Wentao, she left with another man, bought the commercial house she always wanted, and cut off contact with her children, providing no child support.