In 2014, Xu graduated from Shanxi University Conservatory of Music, majoring in music performance. He holds a primary school music teacher certificate, and has 10 years of experience in teaching viola and violin. He can teach both amateur player and performance level. He teaches through live demos, focusing on solving technical details such as the graininess of the child's left hand, vibrato, bow speed and power control of the right hand, as well as the expression of emotions. He is amiable and strict with students, patient, careful, good at guiding and encouraging. His classes target a range of subjects, including competitions, grade examinations, as well as daily practices. The types of examinations that can be taken include the Chinese Academy Examination, the Central Academy Examination, the Shanghai Academy Examination, the Musicians Association Examination, and the Emperor Examination. He has teaching experience in primary schools and online and offline institutions.