Dr. Zhai has been engaged in clinical work over 25 years as cardiovascular doctor. With outstanding knowledge of diagnosis and treatment of coronary heart diseases such as hypertension, heart failure, arrhythmia and others, and independently completed more than 1,000 coronary interventions, Dr. Zhai has dedicated her efforts to the research and development of innovative drugs for nearly 10 years and has led more than 30 clinical studies covering such areas as ophthalmology, cardiovascular and cerebrovascular, respiratory, endocrinology, neuropsychiatry and other TA. Dr. Zhai is a member of the Cardiovascular Drug Clinical Research Specialty Committee, Diabetes and Metabolic Diseases Drug Clinical Research Specialty Committee on China Pharmaceutical Innovation and Research Development Association (PhIRDA).