More　than　300　Concrete　Filled　Steel　Tube　(CFST)　arch　bridges　have　been　built　and　extensive　research　has　been　carried　out　since　1990　in　China.　In　this　paper,　an　overview　on　the　code　development　of　CFST　arch　bridges　in　China　is　given.　The　under-examination　technical　code　for　concrete　filled　steel　tube　arch　bridges　as　a　national　standard　of　the　PR　of　China　is　introduced,　including　design,　construction　and　maintenance　of　CFST　arch　bridges.　The　main　structure　system　and　the　calculation　methods　for　the　ultimate　load　capacity　of　the　CFST　arch　ribs　as　the　key　issues　of　the　code　is　introduced　in　this　paper.