1. Gou Jian, the King of Yue, was a historical figure who lived on his laurels. The word "serving the salary and tasting the courage" originally refers to the deeds of the King of Yue who made great efforts to restore the country in the Spring and Autumn Period of China, and later evolved into a description of people who worked hard and worked hard.

2. Gou Jian, the King of Yue (about 520-465 years ago), whose surname was Yu, whose real name was Yu Qian. In ancient times, there were different Chinese characters. He was transliterated as Gou Jian, also known as a descendant of Yu Xia, the son of Yunchang of Betty Wong, and the King of Yue at the end of the Spring and Autumn Period.

3. In the first 496 years, Gou Jian, King of Yue, ascended the throne. In the same year, Wu Shi was defeated by Li. Gou Jian, the King of Yue, was defeated by Wu Jun Fu Jiao in the third year (494 BC) and forced to make peace with Wu Huan. Three years later, he was released back to Vietnam. After returning home, he reused Fan Li and Wen Zi, and gradually restored the national strength of Yue.

4. In the 15th year of Gou Jian, King of Yue (482 BC), Fu Cha, King of Wu, attended the Huangchi Conference to show that the elite troops led the crowd. Gou Jian, the King of Yue, seized the opportunity and led his troops to defeat Wu Shi. Fu Cha hastily formed an alliance with the State of Jin, and was defeated in Lien Chan with Gou Jian, so he had to make peace with Yue.

In the 19th year of Gou Jian, the King of Yue (478 BC), Gou Jian attacked Wu again and defeated Wu Jun's main force in the battle of Li Ze. In the 24th year of Gou Jian, the King of Yue (473 BC), the capital of Wu was breached, forcing Fu Cha to commit suicide, destroying the hegemony of Wu, crossing the Huai River with troops, gathering the princes of Qi, Song, Jin and Lu in Xuzhou (now south of Tengzhou, Shandong) and moving the capital to Langya, becoming the last overlord in the Spring and Autumn Period.