Zhang Zeyu, born on April 30, 2007 in Harbin, Heilongjiang Province, is a trainee of the TF family.

Zhang Zeyu loves music and sports, and is good at playing guitar and singing.

In 2017, he participated in the music variety show "Music Master Class Season 3". In 2018, he joined the TF family.

In April 2017, he participated in the Beijing Satellite TV music program "Music Master Class Season 3".

On August 29, 2018, he participated in the TF family's third-generation trainee development project - Youth Evolution/TF-TransFrom plan, and made his first public appearance as a family trainee in the TF family's self-produced program.

In the following years, he successively participated in many TF family productions such as "TF Youth Evolution", "Flower and Fruit Three" Magic Time", "The Journey that Begins Together", "Trainers' Daily Life", etc. variety shows, and has sang songs and performed dances as a guest at TFBOYS and Times Youth League concerts many times.

On June 15, 2021, he participated in Jiangsu Satellite TV Kuaishou 616 True Heart Night with the TF family, performing the songs "What is a Happy Planet" and "Youth Cultivation Manual"; on August 17, he participated in Hunan Satellite TV with the TF family Douyin 818 Trendy Good Things Night, performing the songs "Love the Country More Love the Beauty" and "Compendium of Materia Medica"?.