Seven major actions refer to seven major action steps or stages in strategic planning or action plan, each of which has specific goals and strategies. Under the historical background of China, the "Seven Major Actions" refer to seven important military actions proposed by China during the Liberation War (1937- 1949), such as the Battle of Taiyuan and the Battle of Ping Jin. The Seven Pioneers refer to the soldiers with the most standardized action essentials, which can be used as a model for others. They often stand at the front of the team, referring to the leader or the best. The concept of pioneer is often used to describe people or units that play an important role in a group, organization or field and are at the forefront.