The 2018 Tianfu Forum on Scientometrics & Evaluation was held in Chengdu from September 19 to 21, 2018. More than 240 researchers, teachers and students from more than 60 universities and scientific research institutions had attended this forum. The international research progress and frontier development trends have been exchanged and discussed. This paper discusses the new challenges and new opportunities in the development of scientometrics in the era of big data from three aspects, which are the deepening of theory and methods, extensive practical application, development opportunities and challenges. The main contribution of this paper to the field of scientometrics is providing a view to clearly presenting future of scientometrics research and scientific evaluation.