Li Ke, the legendary Chinese footballer, is often credited with revolutionizing Chinese football and establishing his own brand of defense in China's Premier League. His wing defense philosophy, which he developed over several years, has become one of the most influential tactics in modern football.

The key to Li's wing defense strategy lies in its focus on creating space for players to move freely inside the box. By utilizing a high center of gravity, Li's wing defenders can make it difficult for opponents to get to their feet or control the ball. This is achieved through a combination of physicality and tactical discipline.

One of the key features of Li's wing defense is the use of two or three attackers who are positioned behind the defense to create space for the wing back. These attackers can be either full-backs or wing backs, depending on the team's playing style and position of play. They must be able to work well together as a unit, with each player contributing to the overall attack.

Another important aspect of Li's wing defense is the use of defensive midfielders who can act as a secondary defender when the central defenders are not available. These players must be strong enough to defend deep and cover wide areas of the pitch, while also being flexible enough to switch roles quickly if needed.

In addition to these technical elements, Li's wing defense also emphasizes physicality. He trains his wingbacks and attackers regularly to develop their strength and speed, so they are able to push past defenders and break through the opposition's defenses.

Overall, Li's wing defense philosophy is based on creating space, using physicality, and developing defensive midfielders to protect the defense. By combining these elements, Li is able to create a formidable wing defense that has been successful in helping Beijing Guoan win many titles and achieve success both domestically and internationally.