The invention discloses a coded lock component for a suitcase, which is easy to open and operate and has a compact and firm structure and high safety. The coded lock component comprises a panel, a handle, a handle seat, a coded lock and an edge lock, wherein the panel comprises an upper panel and a lower panel; the handle is connected to the lower panel of the panel through the handle seat fixed on the panel; the coded lock comprises a coded lock body and a knob and is positioned in the middle of the handle seat on the lower panel; the coded lock body is fixed on the lower panel; the knob is fixed on the lower panel in a rotatable mode; the edge lock comprises two edge hooks and two clamping grooves; the two edge hooks are positioned at the left end and the right end of the upper panel; the two clamping grooves are positioned at the left end and the right end of the lower panel; one edge hook and one clamping groove which are opposite to each other can be matched with each other in a locked mode; the two clamping grooves are connected to two transmission blocks respectively; the two transmission blocks are connected with the knob through a connecting rod, so that the knob can drive the two transmission blocks to move right and left simultaneously when rotated; and the coded lock body is matched with at least one transmission block.