Sun Xiaoyu is a 28-year-old professional football player from CHN. He currently plays for Wuhan Sports Three Towns University Women, wearing the number 37 shirt. He plays primarily as a Defender. He stands at 171cm tall and weighs 58kg.

Throughout the CFA Women's League One 2025, Sun Xiaoyu featured in 18 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.