A safety service system comprising an electronic device and a server, the electronic device comprising: a first power supply; a second power supply; an impact sensor; an alarm unit; a camera; a transmit unit; and a controller, operatively coupled with the impact sensor, the alarm unit, the camera and the transmit unit, wherein the controller is configured to: identify whether a change of external impact applied to the electronic device exceeds a predetermined critical value; activate an emergency mode, if the change of external impact exceeds the predetermined critical value; output a notification for informing a user about the activation of the emergency mode based on the activation of the emergency mode; capture an image of the surroundings of the electronic device at a first time point by using the camera, if the emergency mode is detected; transmit the image to the server, based on the activation of the emergency mode; and repeat the capturing and transmitting an image of the surroundings of the electronic device at a second time point, after changing an angle-of-view of the camera, wherein the image captured at the first time point and the image captured at the second time point are received and processed by the server, wherein a first location of the electronic device measured at the first time point is obtained by the server based on the image captured at the first time point, and wherein a second location of the electronic device measured at the second time point different from the first time point is obtained by the server based on the image captured at the second time point. a first power supply; a second power supply; an impact sensor; an alarm unit; a camera; a transmit unit; and a controller, operatively coupled with the impact sensor, the alarm unit, the camera and the transmit unit, wherein the controller is configured to: identify whether a change of external impact applied to the electronic device exceeds a predetermined critical value; activate an emergency mode, if the change of external impact exceeds the predetermined critical value; output a notification for informing a user about the activation of the emergency mode based on the activation of the emergency mode; capture an image of the surroundings of the electronic device at a first time point by using the camera, if the emergency mode is detected; transmit the image to the server, based on the activation of the emergency mode; and repeat the capturing and transmitting an image of the surroundings of the electronic device at a second time point, after changing an angle-of-view of the camera, wherein the image captured at the first time point and the image captured at the second time point are received and processed by the server, wherein a first location of the electronic device measured at the first time point is obtained by the server based on the image captured at the first time point, and wherein a second location of the electronic device measured at the second time point different from the first time point is obtained by the server based on the image captured at the second time point. identify whether a change of external impact applied to the electronic device exceeds a predetermined critical value; activate an emergency mode, if the change of external impact exceeds the predetermined critical value; output a notification for informing a user about the activation of the emergency mode based on the activation of the emergency mode; capture an image of the surroundings of the electronic device at a first time point by using the camera, if the emergency mode is detected; transmit the image to the server, based on the activation of the emergency mode; and repeat the capturing and transmitting an image of the surroundings of the electronic device at a second time point, after changing an angle-of-view of the camera, wherein the image captured at the first time point and the image captured at the second time point are received and processed by the server, wherein a first location of the electronic device measured at the first time point is obtained by the server based on the image captured at the first time point, and wherein a second location of the electronic device measured at the second time point different from the first time point is obtained by the server based on the image captured at the second time point.