Li Mingjie is a 17-year-old professional football player from CHN. He currently plays for Shanghai Port FC U17, wearing the number 5 shirt. At the international level, he represents China U17. He plays primarily as a Defender.

Throughout the Chinese U17 League 2025, Li Mingjie featured in 4 matches, averaging 1 tackles, 0 interceptions, and 0.5 clearances per game, while blocking 0 shots per game.