Dr. Hsieh’s research interests are deeply involved in three different areas, namely cancer, infectious diseases, and diabetes. In particular, tubulin and kinase are mainly two drug targets for cancer research. Five antiviral projects, including anti-hepatitis B virus (HBV), anti-human cytomegalovirus (HCMV), anti-hepatitis C virus (HCV), anti-SARS, and anti-flu projects and two antidiabetes projects including Peroxisome Proliferator- Activated Receptors (PPARs) agonists and dipeptidylpeptidase 4 (DPP4) inhibitors were also involved in.