A control apparatus of a passenger protection apparatus, comprising: a first acceleration detection part (2, 3) disposed at the front of a vehicle to detect a first acceleration in the longitudinal direction of the vehicle; a second acceleration detection part disposed at the center of the vehicle to detect a second acceleration in the longitudinal direction of the vehicle and a third acceleration in the width direction of the vehicle; and a control part for determining a front face collision based on the accelerations detected by the first acceleration detection part (2, 3) and the second acceleration detection part to activate the passenger protection apparatus, wherein the control part comprises: a speed calculation part for integrating the accelerations detected by the first acceleration detection part and the second acceleration detection part to obtain a speed ΔV; a level calculation part for calculating a level of a front face collision based on the first acceleration and the second acceleration; a ΔV offset calculation part for making an offset adjustment of ΔV obtained by integrating the third acceleration so as to attenuate ΔV of the third acceleration based on a head-on collision, in order to obtain ΔV offset; and a first determination part for determining a presence of an offset collision or diagonal collision based on the level of the front face collision and the ΔV offset; and wherein the control part activates the passenger protection apparatus for protecting the side and head of a passenger including a side airbag and a curtain airbag, if it is determined using the first determination part that an offset collision or diagonal collision has occurred. a first acceleration detection part (2, 3) disposed at the front of a vehicle to detect a first acceleration in the longitudinal direction of the vehicle; a second acceleration detection part disposed at the center of the vehicle to detect a second acceleration in the longitudinal direction of the vehicle and a third acceleration in the width direction of the vehicle; and a control part for determining a front face collision based on the accelerations detected by the first acceleration detection part (2, 3) and the second acceleration detection part to activate the passenger protection apparatus, wherein the control part comprises: a speed calculation part for integrating the accelerations detected by the first acceleration detection part and the second acceleration detection part to obtain a speed ΔV; a level calculation part for calculating a level of a front face collision based on the first acceleration and the second acceleration; a ΔV offset calculation part for making an offset adjustment of ΔV obtained by integrating the third acceleration so as to attenuate ΔV of the third acceleration based on a head-on collision, in order to obtain ΔV offset; and a first determination part for determining a presence of an offset collision or diagonal collision based on the level of the front face collision and the ΔV offset; and wherein the control part activates the passenger protection apparatus for protecting the side and head of a passenger including a side airbag and a curtain airbag, if it is determined using the first determination part that an offset collision or diagonal collision has occurred. a speed calculation part for integrating the accelerations detected by the first acceleration detection part and the second acceleration detection part to obtain a speed ΔV; a level calculation part for calculating a level of a front face collision based on the first acceleration and the second acceleration; a ΔV offset calculation part for making an offset adjustment of ΔV obtained by integrating the third acceleration so as to attenuate ΔV of the third acceleration based on a head-on collision, in order to obtain ΔV offset; and a first determination part for determining a presence of an offset collision or diagonal collision based on the level of the front face collision and the ΔV offset; and wherein the control part activates the passenger protection apparatus for protecting the side and head of a passenger including a side airbag and a curtain airbag, if it is determined using the first determination part that an offset collision or diagonal collision has occurred.