The main content of chapters 36 to 40 of Water Margins was summarized as follows: This time, the Liangshan heroes gathered for justice began their journey to build a team in Liangshan Lake. After recruiting Lin Chong, Qin Ming, Wu Song, Lu Zhishen, Gongsun Sheng, and the others, the leader of Liangshan Lake, Song Jiang, began their training and preparations. Their goal was to defeat the encirclement of the court officials and establish their own power. Main characters: Song Jiang: The leader of Liangshan Lake was a man with great leadership skills and strategic foresight. 2. Lin Chong: The other leader of Liangshan Lake was a general with high martial arts skills. 3. Qin Ming: Another general of Liangshan Lake is good at fighting. 4. Wu Song: A general who was good at fighting and shooting. 5. Lu Zhishen: A magnanimous and quick-witted general. 6 Gongsun Sheng: A general who was good at horse fighting.