[Purpose/significance] systematically analyze the problems and development trends of the international impact evaluation of Humanities and Social Sciences (SSH) output in China in the new period, and provide references for the practice and theoretical research of SSH evaluation. [Method/process] Use literature analysis and online survey to summarize the existing problems; analyze the future development trend from a system perspective. [Result/conclusion] the following main problems in the international impact evaluation of SSH in China: the internationalization of SSH needs to be strengthened, and the challenges of the SSH characteristics (diversity of carrier forms, different purposes and stages of output, large differences within SSH, diversity of the SSH impact, ideology of SSH output), shortcomings of traditional metrics evaluations, inadequacies of international databases, insufficient of policies and ethics; In general, there are two key development directions in the future: horizontal breadth development-comprehensive evaluation, vertical depth development-intelligent and accurate evaluation.