Cai Xinlin is a professional footballer from CHN and is currently 18 years old. At international level, he features for China U17 Women. His main role on the pitch is Defender. He measures 169cm in height and weighs 61kg.

Across the FIFA U17 Women's World Cup 2025, Cai Xinlin appeared in 4 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.