In ancient wars, generals often said that the 300 rounds of battle referred to the duration of the battle. There was no fixed number for the duration. It might vary according to the scale of the war, terrain, weather, and other factors. However, generally speaking, a 300-round battle meant that the battle had lasted for 300 rounds, which meant that it had lasted for a long time. In ancient Chinese warfare, turn-based combat methods were usually used. After each round, they would take a break to eat, drink, and organize themselves. At the same time, they would continue to command the army to attack and defend. Although this kind of turn-based combat method was not as fast as modern warfare, it could effectively maintain the combat effectiveness of the army, especially in long-term wars. The phrase '300 rounds of war' did not refer to the specific number of battles, but rather the duration and length of the war. It was an expression used to describe the intensity of the war.