Professor Liu’s research has centred on clinical acupuncture, evidence-based evaluation of traditional Chinese medicine interventions, and the international standardisation and dissemination of acupuncture, with particular emphasis on large-scale clinical trials, acupuncture safety monitoring, and the development of clinical practice guidelines. Through national research programmes and international scientific collaboration, he has contributed to the development of evidence-based approaches to evaluating acupuncture, the formulation of international acupuncture standards, and the wider dissemination of traditional Chinese medicine. He has authored numerous peer-reviewed publications and clinical guidelines addressing acupuncture research and practice. Through his leadership of the World Federation of Acupuncture-Moxibustion Societies and continued engagement in national research programmes, Professor Liu has contributed to connecting traditional acupuncture practice with clinical research, evidence-based medicine, standardisation, and international healthcare cooperation.