The　styles　of　reinforced　concrete　(RC)　beam　to　concrete　filled　steel　tubular　column　connection,　based　on　the　construction　in　practice　and　the　current　research,　were　summarized　in　this　paper.　Some　key　issues　in　the　research,　such　as　design　methods,　experimental　study　on　seismic　behaviors,　and　analysis　methods　are　discussed.