The first reason for the final victory is to have a correct and wise leader. Although the process is tortuous, the overall decision is correct. Second, know how to mobilize the masses and unite the strength of the broadest masses of the people. Third, officers charge ahead, are not afraid of death, set an example for soldiers, and have strong combat effectiveness. Fourth, be good at giving full play to the logistics support and transportation strength of the base areas to ensure the needs of front-line operations. Fifth, opponents want to keep their troops, regardless of the overall situation, coupled with corruption, lost their initial great advantages, resulting in a landslide. Led to our final overall victory.