1987. 7- 1989. 9: Teaching Assistant, Stomatology Section, Tianjin University.
Concentration: Stomatological material and prosthetics.
1993- 2000: Directing doctor, Stomatological and Plastic Surgery Hospital.
Concentration: Stomatological material，implantology and prosthetics
2001- 2006: Vice chief doctor, Stomatological and Plastic Surgery Hospital, hierophant for master candidates. He was in charge of 5-year, 7-year teaching responsibility in stomatological prosthetics, stomatological material. Award the “Heraeus-Kulzer” prize by Tianjin Medical University in 2003.
In 1999, Dr. Xu joins in the establishment work of “Arrail-Dental”. He is in charge of teeth implant and stomatological prosthetics from then.
Currently Dr. Xu is working for Beijing Arrail Dental, in the field of teeth, implant and related works.

Dr. Xu has been to Hong Kong several times to discuss and study for teeth implant technology such as immediate implant and loading technology. He has also performed live demonstrations for visiting foreign experts on numerous occassions. In May 2007, Dr. Xu attended a clinical program on Implant Placement at Loma Linda University with NobelGuide, and is among the most efficient Dr’s using Guided Surgery in China implanting teeth on Nobel Guide technology in Loma Linda University and he is a leader of the Nobel Guide implanting teeth technology in China.