He Jiajun is a professional footballer from CHN and is currently 20 years old. He is on the books of Wenzhou Professional Football Club and wears shirt number 57. His main role on the pitch is Defender.

His latest transfer saw him join Guangdong GZ-Power Youth from Wenzhou Professional Football Club via Loan on 2026-12-31.

Across the Chinese Football League 2 2024, He Jiajun appeared in 1 matches and averaged 0 tackles, 1 interceptions, 7 clearances, and 0 blocked shots per game.