Professor Zhao undertakes the teaching task for 5-year, 7-year, eight-year and overseas students and receives widespread recognition from his students. He has participated in editing Infectious Diseases for 5-year, 7-year and 8-year students and Internal Medicine for 8-year students published by the People's Medical Publishing House Co., Ltd, Infectious Diseases published by Military Science Publishing House, Emerging Infectious Diseases published by Ministry of Education, system-organ integration textbook of Infectious Diseases, Basic and Clinical Research of Hepatitis C, Liver Cell Therapeutics and Acute Exacerbation of Chronichepatitis published by Springer. He has received the honorary title of Excellent Teacher for consecutive three times.

Chairman   Shaanxi Association of Infectious Diseases

Standing Committee Member  Society of Infectious Diseases of Chinese Medical Association

Deputy Director   Shaanxi Society of Clinical Epidemiology

Deputy Chairman   Committee of Rational Use of Antimicrobial Drugs of Chinese Hospital Association

Professor Zhao has been mainly engaged in basic and clinical research of familial aggregated HBV infection with adverse outcomes. The research group has obtained 5 National Natural Science Foundation of China projects, the 2^nd-stage Key Clinical Discipline Construction Projects of National Health Commission, the 2^nd-stage Major Scientific and Technological Projects in the 11^th Five-Year Plan and 12^th Five-Year Plan and Youth Talent Foundation by of National Health Commission, etc. The research group has formed disciplinary characteristics in the prevention and treatment of familial aggregated hepatitis B transmission, which has been applied in clinical practice. He has received the first prize of Science and Technology Awards of Shaanxi Province. He has tutored 23 postgraduates and 11 doctoral graduates. He has published 40 papers in SCI-indexed journals with a total impact factor of more than 110, a citation index of 106 times and an H-index of 8.0. As a master's and doctoral tutor, he has tutored 43 postgraduate students and 15 doctoral students, including 2 Excellent Doctors of Shaanxi Province.

He has hosted the following projects in recent years, National Natural Science Foundation of China, Key Project of Shaanxi Province (2019), Major Project of Infectious Diseases in the 13^th Five-Year Plan of Ministry of Science and Technology (2016),  Major Project of Infectious Diseases in the 12^th Five-Year Plan of Ministry of Science and Technology (2012), Major Project of Infectious Diseases in the 11^th Five-Year Plan of Ministry of Science and Technology (2007), Youth Talent Foundation of National Health Commission entitled Study of the relationship between distribution of immunoactivated cells in liver of patients with severe hepatitis B and liver injury, National Natural Science Foundation of China entitled Study of the relationship between CⅡTA gene polymorphism and chronic familial aggregated HBV infection, National Natural Science Foundation of China entitled Molecular mechanism of liver function Th2 cell defects in chronic hepatitis C, Key Research Project of Department of Science and Technology of Shaanxi Province entitled Study of the treatment of chronic hepatitis b with gypenosides and its mechanism, Key Cultivation Project of Xi 'an Jiaotong University entitled Study of the relationship between CⅡTA gene polymorphism and chronic familial aggregated HBV infection. Professor Zhao is also the main applicant of National Natural Science Foundation of China entitled HBV invasion and significance to peripheral blood mononuclear cells.

Professor Zhao has obtained the following prizes:

First prize of Science and Technology Award of Shaanxi Province as the first applicant, Third prize of Science and Technology Progress Award of Education Department of Shaanxi Provincial Government as the first applicant, Youth Science and Technology Award of Shaanxi Province, Advanced Individuals in Science and Technology Management of XJTU, Advanced Individuals in Fighting SARS of XJTU, The honorary titles of Excellent Teacher for consecutive 3 times, Advanced Individuals in Teaching of XJTU, and Top 10 Physicians of the First Affiliated Hospital of XJTU.