Sun Fangxin is a 23-year-old professional football player from CHN. He currently plays for Guangxi Pingguo Beinong Women, wearing the number 26 shirt. At the international level, he represents China Women. He plays primarily as a Forward. He stands at 165cm tall and weighs 58kg.

His most recent move was a Loan from Guangxi Pingguo Beinong Women to Shandong Women on 2026-12-31.

In the CFA Women's Super League 2025 season, Sun Fangxin scored 3 goals and provided 0 assists across 20 appearances, averaging 0.2 goals per game with 0 shots attempted and 0 on target.