Introduction to Yang Tiexin’s family: After entering Niujia Village, to the left is Yang Tiexin’s family. Guo Xiaotian and Yang Tiexin once invited Qiu Chuji to have a drink here and talk about the situation at that time. Qiu Chuji named the upcoming children of the Guo and Yang families Guo Jing and Yang Kang. He engraved the names "Guo Jing" and "Yang Kang" on two daggers with exactly the same length and shape respectively, and gave them to brothers Guo and Yang, with the intention of Forget the "shame of Jingkang".