Li Jiajin is a professional footballer from CHN and is currently 17 years old. He is on the books of Shandong Taishan U15 and wears shirt number 11. At international level, he features for China U16. His main role on the pitch is Midfield.

Over 7 appearances in the Chinese U15 League 2025, Li Jiajin contributed 0 goals and 0 assists, completed 1 key passes from 57 total passes, and posted a passing accuracy of 6.1.