The paper, by taking the core database of Web of Science as data sources, explores the field of international Health Technology Assessment (HTA) in aspects of amount of literatures, citation frequency, national/regional distribution, core journals and change in study subjects. It provides suggestions for improvement of HTA system in China, including attaching great importance to the advantage brought by HTA decision-making transformation, enhancing international academic exchanges, paying attention to the development of international studies and building fundamental value frameworks of HTA, etc.