Introduction "immediate advantage window" refers to the specific time domain, space domain, frequency domain and cognitive domain in which one party can aggregate multi domain combat resources and form local comprehensive advantages over the other party in military operations. With the massive application of new technologies in the military field, looking forward to future wars, the "window of immediate superiority" will undergo obvious changes. Grasping the characteristics and laws of changes will not only help to control the initiative in the battlefield, but also help to deepen preparations for war. The military technology and its materialized weapons and equipment, which are increasingly dependent on technology, are the material basis for effectively overcoming the space-time obstacles in the battlefield and for discovering, creating and utilizing the "immediate advantage window". War history shows that the more advanced the technology and equipment, the easier it is to find, maneuver, strike and destroy the enemy first on the battlefield. In the future war, technology, especially information technology and intelligent technology, will increasingly play a leading and supporting role in the discovery, creation and utilization of the "immediate advantage window". The role of traditional space-time factors in the creation of "instant advantage window" is reduced. In the history of war, through the effective use of geographical factors such as topography and rivers and weather factors such as cloudy, sunny, cold, warm, dry and wet, day and night, there are many classic cases of discovering, creating and utilizing "windows of immediate superiority". The battle of crossing Chishui River four times during the long march of our army, the complex terrain of Chishui River and its surrounding areas and the impeding mobility of rivers played a key role in the process of creating an "immediate advantage window" for the Red Army to annihilate the enemy and get rid of the enemy's pursuit. However, for the belligerents in the future war, with the general improvement of reconnaissance, mobility, strike, support and other capabilities, the army can effectively overcome these obstacles, and the available value of traditional space-time factors gradually decreases. Advanced military technology can make the "immediate advantage window" based on traditional space-time factors interchangeable. In the war to resist U.S. aggression and aid Korea, for the volunteers who were backward in technology and equipment but were good at night fighting, the special weather at night provided excellent time conditions for creating an "immediate advantage window" to annihilate the enemy. With the development of night vision technology, the party equipped with advanced night vision equipment has become the master of night combat. If you don't have the advantage to match your opponent in terms of night vision, there is little chance to create an "instant advantage window" at night. Advanced military technology can create a new type of "window of immediate superiority". For example, the armed forces that make technological breakthroughs and take the lead in entering new space and new fields such as deep sea, space and network can freely create "real-time superiority windows" in this operational area, forming an asymmetric operational advantage of virtual control over real, high control over low, and deep control over shallow. The time of creation extends from wartime to peacetime. From the perspective of local wars and armed conflicts since the Gulf War, the military and social forms of war are more closely intertwined. Some countries or regions where armed conflicts have erupted are carrying out normal social production activities while carrying out low-intensity military confrontation activities. Non state actors are playing an increasingly important role in conflicts; The boundaries between military and civilian affairs and between peace and war are becoming increasingly blurred, and mixed war has become the mainstream type of war. Based on the new changes in the characteristics of war in the era of information and intelligence, it is increasingly difficult to achieve the goal of war by relying on the regular war actions in wartime