Chapter 41- 50 of Water Margins was summarized as follows: In the 41st to 45th chapters of Water Margins, the author Shi Naian described the uprising of Song Jiang and others in detail. In this round, Song Jiang and the others planned the uprising of "Water Lake Liangshan" and finally overthrew Fang La's rule and established the Liangshan Lake base. In this process, Song Jiang and the others experienced many battles and setbacks, but they persevered and finally won. In the 44th chapter, the author Shi Naian described Fang La's crimes and Song Jiang's uprising plan. This time, Song Jiang and the others learned the truth about Fang La and decided to rebel against him. They planned a detailed battle plan and led the heroes to set off. In this process, they experienced many difficulties and dangers, but in the end, they successfully captured Fang La's base and overthrew Fang La's rule. In the 45th chapter, the author Shi Naian gave a detailed description of the development of the Liangshan Lake base area. In this round, Song Jiang and the others successfully established the Liangshan Lake base and began to develop their own forces. They united all the heroes to expand their power and fight fiercely with other forces. In the end, under the leadership of Song Jiang and the others, Liangshan Lake's forces continued to grow and became one of the famous uprising forces in Chinese history.