Lai Hu'er, courtesy name Chongshan, titled Duke of Rong, was a general in Sui dynasty of China.
He played an important role in the conquest of Chen dynasty in 589, as well as the campaigns against Goguryeo led by Emperor Yang.
Lai Hu'er was born in Guangling (today's Yangzhou) during the late Southern and Northern Dynasties period.
Lai Hu'er made several contributions as a spy and was promoted to be a Da Dudu (Chinese: 大都督; lit.
During the campaign, Lai Hu'er provided a good strategy that eventually helped Sui defeat the rebels.
After this campaign, Lai Hu'er was promoted to be the Grand General, given a title of Duke of Xiangyang County, and appointed to be the governor of Quanzhou.
In the same year, Lai Hu'er defeated some other remnants forces of Gao Zhihui and was promoted to Duke of Yongning Prefecture.
Fortunately, Zhou Fashang reinforced him with the rest of the Sui troops so that Lai Hu'er managed to retreat back to the harbor.
Lai Hu'er, again, was ordered to lead the navy as the Chief Commander of Canghai Circuit to attack Pyongyang from the sea.
Lai Hu'er decided to draw back from Korea immediately and to encircle Yang Xuangan with some of other Sui generals such as Yuwen Shu.
In some other versions of folk tales, Lai Hu'er was portrayed as a great warrior whose weapon was a steel spear.