A method for alerting a target vehicle of another vehicle at a curve, executable by an apparatus for alerting a target vehicle of another vehicle at a curve, comprising: receiving information on travel position of vehicles; determining a target vehicle about to encounter another vehicle at a curve according to the information on travel position of vehicles and road information; and alerting the target vehicle of the other vehicle at the curve, wherein the apparatus for alerting a target vehicle of another vehicle at a curve is provided at a navigation device located at the target vehicle; the information on travel position of vehicles comprises: a first position coordinate at different timepoints broadcast from a second vehicle and received at the target vehicle; the determining the target vehicle about to encounter another vehicle at the curve according to the information on travel position of vehicles and road information comprises: determining that the target vehicle is about to encounter the second vehicle at the curve according to the first position coordinate, a second position coordinate of the target vehicle and the road information; the alerting the target vehicle of the other vehicle at the curve comprises: raising to a driver in the target vehicle an alarm about the other vehicle at the curve, characterized in that the method further comprises: determining that the target vehicle travels towards the curve according to the second position coordinate of the target vehicle and the road information; and broadcasting the second position coordinate at different timepoints of the target vehicle when a distance between the target vehicle and the curve falls under a preset distance threshold. receiving information on travel position of vehicles; determining a target vehicle about to encounter another vehicle at a curve according to the information on travel position of vehicles and road information; and alerting the target vehicle of the other vehicle at the curve, wherein the apparatus for alerting a target vehicle of another vehicle at a curve is provided at a navigation device located at the target vehicle; the information on travel position of vehicles comprises: a first position coordinate at different timepoints broadcast from a second vehicle and received at the target vehicle; the determining the target vehicle about to encounter another vehicle at the curve according to the information on travel position of vehicles and road information comprises: determining that the target vehicle is about to encounter the second vehicle at the curve according to the first position coordinate, a second position coordinate of the target vehicle and the road information; the alerting the target vehicle of the other vehicle at the curve comprises: raising to a driver in the target vehicle an alarm about the other vehicle at the curve, characterized in that the method further comprises: determining that the target vehicle travels towards the curve according to the second position coordinate of the target vehicle and the road information; and broadcasting the second position coordinate at different timepoints of the target vehicle when a distance between the target vehicle and the curve falls under a preset distance threshold. determining that the target vehicle travels towards the curve according to the second position coordinate of the target vehicle and the road information; and broadcasting the second position coordinate at different timepoints of the target vehicle when a distance between the target vehicle and the curve falls under a preset distance threshold.