A method (800, 1000) for acquiring information on a pedestrian, the method comprising: receiving, by a receiver, information on a plurality of mobile terminals including location information on each of the plurality of mobile terminals, from the plurality of mobile terminals; and filtering, by a processor, information on mobile terminals to be included in or to be excluded from information about objects used for travel of a vehicle from the information on the plurality of mobile terminals, based on the location information on each of the plurality of mobile terminals, wherein the method further comprises recognizing, by the processor the information on the mobile terminals as the information on a pedestrian, wherein the location information comprises point information on points at which the mobile terminals are located, altitude information on the mobile terminals and change information on changed points to which the mobile terminals are moved from the points, wherein the information about the objects used for travel of a vehicle is an information of objects that exist outside the vehicle and an information that is used for travel of a vehicle, wherein the filtering comprises excluding, by the processor, information about a first mobile terminal from the information about objects, based on at least one determination, characterised in that the determination comprises first determination that the first mobile terminal is located in a sidewalk (2220, 2240) apart from a roadway by a reference distance or more, second determination that the first mobile terminal is located behind the vehicle moving forward, third determination that the first mobile terminal is located out of a caution area, fourth determination that a difference in altitude between the first mobile terminal and the vehicle is greater than or equal to a reference value, and fifth determination that the first mobile terminal is located on a sidewalk on opposite side of the center line, wherein the caution area comprises a bus stop area, a parking area, and an area where a number of mobile terminals located in a unit area is greater than or equal to a reference number. receiving, by a receiver, information on a plurality of mobile terminals including location information on each of the plurality of mobile terminals, from the plurality of mobile terminals; and filtering, by a processor, information on mobile terminals to be included in or to be excluded from information about objects used for travel of a vehicle from the information on the plurality of mobile terminals, based on the location information on each of the plurality of mobile terminals, wherein the method further comprises recognizing, by the processor the information on the mobile terminals as the information on a pedestrian, wherein the location information comprises point information on points at which the mobile terminals are located, altitude information on the mobile terminals and change information on changed points to which the mobile terminals are moved from the points, wherein the information about the objects used for travel of a vehicle is an information of objects that exist outside the vehicle and an information that is used for travel of a vehicle, wherein the filtering comprises excluding, by the processor, information about a first mobile terminal from the information about objects, based on at least one determination, characterised in that the determination comprises first determination that the first mobile terminal is located in a sidewalk (2220, 2240) apart from a roadway by a reference distance or more, second determination that the first mobile terminal is located behind the vehicle moving forward, third determination that the first mobile terminal is located out of a caution area, fourth determination that a difference in altitude between the first mobile terminal and the vehicle is greater than or equal to a reference value, and fifth determination that the first mobile terminal is located on a sidewalk on opposite side of the center line, wherein the caution area comprises a bus stop area, a parking area, and an area where a number of mobile terminals located in a unit area is greater than or equal to a reference number.