The treatment and disposal of straw is one of the key focuses of agricultural and rural ecological environmental protection. Through understanding the hotpots and frontiers of energetic utilization of straw biomass, it is helpful to develop and optimize the policies and strategies for straw utilization. With taking the core collection of Web of science as data sources and using the Citespace knowledge mapping analysis tool, this research conducts the visual analysis and presents the global tendency of straw energy utilization field. The results show that the amount of international literatures is increasing in 20 years and the Top 4 countries include China, United States, Germany and France. Scientists from China and the United States have built strong research teams in their respective fields. Nine scholars in the top10 in terms of the publication number are from China and the United States. The research on the straw energy utilizations mainly focus on five topics: the mechanism of biomass fuel production, physically energetic utilization of straw biomass, the anaerobic fermentation of straw to produce methane and hydrogen, and the environmental impact during the energetic utilization process of straw biomass. The research on straw energy utilization is still in a rapid development period, and the pre-treatment, biological fermentation, and full life cycle research of straw will continue to be hotspots in the future.