According to Query Encyclopedia, the seventh sister-in-law is a character in the TV series Love Debt, and her seventh sister-in-law is played by actor Zhou Lihua. This drama tells the story of "matchmaking" in a rural area in Northeast China, with the famous actor Li Youbin as the partner. The TV series was released on 1995. "Love Debt" mainly talks about the hard life of rural farmers in the people's commune period when class struggle was suddenly caught up.

Love Debt stars Li Youbin, Yang Meng, Zhou Lihua, Fan Liping, Xie Wei, Zhao Xintian and Liu Yongsheng. Its TV series Love Debt is really a rare masterpiece.