 After the battle of Luoyang, the ally of Wang Shichong, Meng Haigong (孟海公), Gao Tansheng (高檀晟), Zhu Can(朱灿) and Dou Jiande (窦建德) collapsed.Wang Shichong surrendered to Tang Dynasty, but Shan Xiongxin chose to die.Before he was beheaded, Qin Shubao, Cheng Yaojin and Xu Shiji came to see him in the jail.