Pulsation damping device in fuel pump module

A fuel pump module (1) is provided with a fuel pump for sucking and discharging a fuel in a fuel tank, a fuel filter (13) downstream of the fuel pump for removing a foreign matter in the fuel, and a fuel pressure control valve (10) for adjusting discharge of the fuel that flowed out from the fuel filter (13) to a combustion chamber. Furthermore, fuel pulsation damping means (a damping portion) (25) is formed between the fuel filter (13) and a flow-out chamber formed below a filter element in the fuel filter (13) and/or a fuel pressure control valve (10) which is an adjacent portion to the flow-out chamber.