a method for idle charging of a hybrid vehicle according to an exemplary embodiment of the present invention may include : detecting an soc of a battery and entering times to an idle charge control state ; changing an entering point and a releasing point of the idle charge control according to a number of entering times to the idle charge control state for a predetermined period ; performing idle charging by forcibly starting an engine when the soc of the battery reaches the entering point of the idle charge control ; and stopping the engine when the soc of the battery reaches the releasing point of the idle charge control state as the idle charge is performed .