A forward collision avoidance method of a vehicle, wherein the speed of the vehicle is greater than the speed of a front obstacle, and the method comprises the following steps: determining the current speed of the vehicle and defining the same as a first speed, and determining the current speed of the front obstacle and defining the same as a second speed; determining a collision avoidance manner to be adopted by the vehicle, wherein the collision avoidance manner comprises single braking collision avoidance, single steering collision avoidance, or a combination of braking collision avoidance and steering collision avoidance; performing calculation according to the first speed, the second speed and the determined collision avoidance manner through a set operational formula to obtain a collision avoidance distance corresponding to the determined collision avoidance manner; determining the current distance between the vehicle and the front obstacle; and judging whether the current distance reaches the collision avoidance distance, and if the judgment result is yes, judging that a collision avoidance condition is tenable, characterized in that, collision avoidance distances corresponding to the single braking collision avoidance and the single steering collision avoidance are respectively defined as a first collision avoidance distance ( d 1) and a second collision avoidance distance ( d 2), and wherein performing calculation through the set operational formula to obtain the collision avoidance distance corresponding to the determined collision avoidance manner comprises: when it is determined that the collision avoidance manner to be adopted is the combination of braking collision avoidance and steering collision avoidance, and: when the first speed is less than or equal to a set speed, determining the collision avoidance distance corresponding to the collision avoidance manner as the smaller one of the first collision avoidance distance ( d 1) and the second collision avoidance distance ( d 2); and when the first speed is greater than the set speed, determining the collision avoidance distance corresponding to the collision avoidance manner as the greater one of the first collision avoidance distance ( d 1) and the second collision avoidance distance ( d 2). determining the current speed of the vehicle and defining the same as a first speed, and determining the current speed of the front obstacle and defining the same as a second speed; determining a collision avoidance manner to be adopted by the vehicle, wherein the collision avoidance manner comprises single braking collision avoidance, single steering collision avoidance, or a combination of braking collision avoidance and steering collision avoidance; performing calculation according to the first speed, the second speed and the determined collision avoidance manner through a set operational formula to obtain a collision avoidance distance corresponding to the determined collision avoidance manner; determining the current distance between the vehicle and the front obstacle; and judging whether the current distance reaches the collision avoidance distance, and if the judgment result is yes, judging that a collision avoidance condition is tenable, characterized in that, collision avoidance distances corresponding to the single braking collision avoidance and the single steering collision avoidance are respectively defined as a first collision avoidance distance ( d 1) and a second collision avoidance distance ( d 2), and wherein performing calculation through the set operational formula to obtain the collision avoidance distance corresponding to the determined collision avoidance manner comprises: when it is determined that the collision avoidance manner to be adopted is the combination of braking collision avoidance and steering collision avoidance, and: when the first speed is less than or equal to a set speed, determining the collision avoidance distance corresponding to the collision avoidance manner as the smaller one of the first collision avoidance distance ( d 1) and the second collision avoidance distance ( d 2); and when the first speed is greater than the set speed, determining the collision avoidance distance corresponding to the collision avoidance manner as the greater one of the first collision avoidance distance ( d 1) and the second collision avoidance distance ( d 2). when the first speed is less than or equal to a set speed, determining the collision avoidance distance corresponding to the collision avoidance manner as the smaller one of the first collision avoidance distance ( d 1) and the second collision avoidance distance ( d 2); and when the first speed is greater than the set speed, determining the collision avoidance distance corresponding to the collision avoidance manner as the greater one of the first collision avoidance distance ( d 1) and the second collision avoidance distance ( d 2).