A vehicle collision detection method, comprising: detecting a relative distance between a vehicle and an obstacle; determining whether the relative distance is less than a preset distance threshold, and if yes, acquiring a longitudinal acceleration component and a lateral acceleration component of the vehicle within a first specified time period; characterized in that, the method further comprising: determining a first variance of the longitudinal acceleration component and a second variance of the lateral acceleration component; determining a collision accident happens to the vehicle, when the first variance exceeds a preset first threshold or the second variance exceeds a preset second threshold; after determining that the relative distance is less than the distance threshold, the method further comprising: acquiring an acceleration component of the vehicle in a vertical direction within the first specified time period, and determining a third variance of the vertical acceleration component; after determining that the first variance exceeds the preset first threshold or the second variance exceeds the preset second threshold, the method further comprising: determining whether the third variance is less than a preset third threshold, and if yes, performing the operation of determining a collision accident happens to the vehicle. detecting a relative distance between a vehicle and an obstacle; determining whether the relative distance is less than a preset distance threshold, and if yes, acquiring a longitudinal acceleration component and a lateral acceleration component of the vehicle within a first specified time period; characterized in that, the method further comprising: determining a first variance of the longitudinal acceleration component and a second variance of the lateral acceleration component; determining a collision accident happens to the vehicle, when the first variance exceeds a preset first threshold or the second variance exceeds a preset second threshold; after determining that the relative distance is less than the distance threshold, the method further comprising: acquiring an acceleration component of the vehicle in a vertical direction within the first specified time period, and determining a third variance of the vertical acceleration component; after determining that the first variance exceeds the preset first threshold or the second variance exceeds the preset second threshold, the method further comprising: determining whether the third variance is less than a preset third threshold, and if yes, performing the operation of determining a collision accident happens to the vehicle. determining a first variance of the longitudinal acceleration component and a second variance of the lateral acceleration component; determining a collision accident happens to the vehicle, when the first variance exceeds a preset first threshold or the second variance exceeds a preset second threshold; after determining that the relative distance is less than the distance threshold, the method further comprising: acquiring an acceleration component of the vehicle in a vertical direction within the first specified time period, and determining a third variance of the vertical acceleration component; after determining that the first variance exceeds the preset first threshold or the second variance exceeds the preset second threshold, the method further comprising: determining whether the third variance is less than a preset third threshold, and if yes, performing the operation of determining a collision accident happens to the vehicle. acquiring an acceleration component of the vehicle in a vertical direction within the first specified time period, and determining a third variance of the vertical acceleration component; after determining that the first variance exceeds the preset first threshold or the second variance exceeds the preset second threshold, the method further comprising: determining whether the third variance is less than a preset third threshold, and if yes, performing the operation of determining a collision accident happens to the vehicle.