The main deeds of Wang Jin in Water Margins are as follows: Wang Jin was a character in Water Margins, one of the heroes of Liangshan Lake and one of the 36 Heavenly Stars of Liangshan Lake. He was born in the slums and came from a poor family, but he was open-minded and brave. He had helped his friends escape from danger many times and finally joined the Liang Shan Po uprising army to become a general. Wang Jin had led many important battles during his time at Liangshan Lake, the most famous of which was the attack on Fang La's Hangzhou City. During the siege, he gave full play to his martial arts and commanding skills, leading the army to successfully conquer the city wall and occupy Hangzhou. After that, he continued to hold important positions in Liangshan Lake as a vanguard general and participated in many important battles and battles, winning many victories for the rebel army in Liangshan Lake. In addition to his position in Liangshan Lake, Wang Jin had also served as Hebei Pacification Envoy and the leader of Yan Qingjin's rebel army. However, he ultimately chose to withdraw from Jianghu and return to his hometown. His deeds were praised by later generations and became a classic figure in the history of Chinese literature.