Dr. Zhang Yanjun has over 20 years of clinical experience in cardiovascular medicine, mastering standardized diagnosis and treatment for common and frequently occurring diseases such as coronary heart disease, hypertension, and cardiomyopathy. She specializes in the treatment of chronic diseases and clinical nutritional therapy, with particular expertise in rescuing patients with acute heart failure, cardiogenic shock, malignant arrhythmias, and those with comorbid heart and lung conditions.

From 2005 to 2006, she participated in an emergency training program at Peking Union Medical College Hospital and underwent further training in critical care medicine at Tianhe Hospital in Tianjin in 2007. In 2020, she was awarded the "Outstanding Physician Honor" at the hospital level. She has published 11 papers, 6 of which are in core journals.