Leading 50,000 soldiers with Kim Yushin and other fellows, he fought against Baekje together with Tang's army led by Su Dingfang, who was the Great General of the Left Guard, in July 660, and made great achievements.
660年7月の対百済戦役では、金庾信らとともに5万の兵を率いて左武衛大将軍蘇定方の指揮する唐軍に合流して戦って大功をあげた。