Based　on　CiteSpace　software,　big　data　bibliometrics　analysis　was　carried　out　on　the　keywords　of　papers　of　photocatalytic　materials　published　in　2020.　Tracking　the　hotspots　and　directions　can　help　young　scholars　to　understand　the　latest　progress.　In　the　Web　of　Sciences,　4147　related　papers　were　searched　with　＂photocatalytic　materials＂　as　the　main　topic.　Cluster　analysis　showed　that　the　hotspots　were　g-C3N4,　Mxene　and　metal-organic　frameworks　(MOF)　and　titanium　dioxide　(TiO2).