A high pressure fuel pump comprising: a body formed at one side thereof with a suction hole into which a fuel is supplied from a fuel bombe ; a pressurizing device coupled to the body to form a high pressure portion such that a part of the fuel is pressurized in the high pressure portion ; a discharge hole for discharging the part of the fuel pressurized by the pressurizing device ; and a recovery hole for delivering a residual fuel, except for the part of the fuel pressurized by the pressurizing device , introduced through the suction hole to a fuel recovery line (R) connected to the fuel bombe , wherein the body comprises: a low pressure portion serving as a movement path formed in the body to deliver the residual fuel from the suction hole to the recovery hole ; characterized in that the body further comprising a micro-pipe portion including a micro pipe having a diameter allowing a gaseous fuel in the high pressure portion to pass therethrough while blocking a high pressure liquid fuel in the high pressure portion , and formed between the high pressure portion and the low pressure portion for discharging the gaseous fuel in the high pressure portion to the low pressure portion , and the diameter of the micro pipe is determined according to pressure generated by the pressurizing device, pressure of the low pressure portion , and a length of the micro pipe . a body formed at one side thereof with a suction hole into which a fuel is supplied from a fuel bombe ; a pressurizing device coupled to the body to form a high pressure portion such that a part of the fuel is pressurized in the high pressure portion ; a discharge hole for discharging the part of the fuel pressurized by the pressurizing device ; and a recovery hole for delivering a residual fuel, except for the part of the fuel pressurized by the pressurizing device , introduced through the suction hole to a fuel recovery line (R) connected to the fuel bombe , wherein the body comprises: a low pressure portion serving as a movement path formed in the body to deliver the residual fuel from the suction hole to the recovery hole ; characterized in that the body further comprising a micro-pipe portion including a micro pipe having a diameter allowing a gaseous fuel in the high pressure portion to pass therethrough while blocking a high pressure liquid fuel in the high pressure portion , and formed between the high pressure portion and the low pressure portion for discharging the gaseous fuel in the high pressure portion to the low pressure portion , and the diameter of the micro pipe is determined according to pressure generated by the pressurizing device, pressure of the low pressure portion , and a length of the micro pipe . a low pressure portion serving as a movement path formed in the body to deliver the residual fuel from the suction hole to the recovery hole ; characterized in that the body further comprising a micro-pipe portion including a micro pipe having a diameter allowing a gaseous fuel in the high pressure portion to pass therethrough while blocking a high pressure liquid fuel in the high pressure portion , and formed between the high pressure portion and the low pressure portion for discharging the gaseous fuel in the high pressure portion to the low pressure portion , and the diameter of the micro pipe is determined according to pressure generated by the pressurizing device, pressure of the low pressure portion , and a length of the micro pipe . <EOS>