He Xu was born in 2005 in Harbin city, Heilongjiang Province of China. At the age of 6, he took his grandfather's suggestion and started to learn the violin. His talent in music was since gradually exhibited. In 2015, he was admitted to the Music Middle School Attached to the Shanghai Conservatory of Music, and has been studying with Professor Ding Xiaolei. During his school period, he was recommended to participate in several performances and master classes and received positive evaluations. In 2018, he was promoted directly to the Music High School Attached to Shanghai Conservatory of Music with excellent results. In the same year, he and Professor Ding Xiaolei went abroad to participate in the "German Austrian Summer" summer camp. Positive and optimistic, he achieved outstanding professional performance, and was highly praised by professors and classmates in High School. In 2022, he was admitted to the Munich Academy of Music and Drama and has been studying with Professor Markus Wolf ever since.