A method for collision avoidance control of automatic lane change, comprising: acquiring (S101/S201/S304) driving parameters of a current vehicle, driving parameters of at least one target vehicle, and road information in response to the current vehicle executing a lane change operation; determining (S102/S305) a travel collision safety detection time period, a return collision safety detection time period, and lane change virtual action lines according to the driving parameters of the current vehicle, the driving parameters of the at least one target vehicle, and the road information; and determining (S103/S206/S306), in response to a lane change abnormality being detected, a collision avoidance strategy according to a positional relation between the current vehicle and the lane change virtual action lines, the travel collision safety detection time period, and the return collision safety detection time period to control the current vehicle to execute the collision avoidance strategy; wherein the at least one target vehicle comprises at least one vehicle before and behind the current vehicle in an original lane and at least one vehicle before and behind the current vehicle in a target lane; the travel collision safety detection time period indicates the shortest time period of a collision between the current vehicle and each target vehicle in the target lane in response to the current vehicle executing the lane change operation with a current velocity of the current vehicle unchanged; the return collision safety detection time period indicates the shortest time period of a collision between the current vehicle and each target vehicle in the original lane in response to the current vehicle returning from a current position of the current vehicle to the original lane with the current velocity of the current vehicle unchanged; the lane change virtual action lines are determined according to a position of a lane line shared by the target lane and the original lane, and the lane change virtual action lines are a virtual action line on a first side of the shared lane line and a virtual action line on a second side of the shared lane line. acquiring (S101/S201/S304) driving parameters of a current vehicle, driving parameters of at least one target vehicle, and road information in response to the current vehicle executing a lane change operation; determining (S102/S305) a travel collision safety detection time period, a return collision safety detection time period, and lane change virtual action lines according to the driving parameters of the current vehicle, the driving parameters of the at least one target vehicle, and the road information; and determining (S103/S206/S306), in response to a lane change abnormality being detected, a collision avoidance strategy according to a positional relation between the current vehicle and the lane change virtual action lines, the travel collision safety detection time period, and the return collision safety detection time period to control the current vehicle to execute the collision avoidance strategy; wherein the at least one target vehicle comprises at least one vehicle before and behind the current vehicle in an original lane and at least one vehicle before and behind the current vehicle in a target lane; the travel collision safety detection time period indicates the shortest time period of a collision between the current vehicle and each target vehicle in the target lane in response to the current vehicle executing the lane change operation with a current velocity of the current vehicle unchanged; the return collision safety detection time period indicates the shortest time period of a collision between the current vehicle and each target vehicle in the original lane in response to the current vehicle returning from a current position of the current vehicle to the original lane with the current velocity of the current vehicle unchanged; the lane change virtual action lines are determined according to a position of a lane line shared by the target lane and the original lane, and the lane change virtual action lines are a virtual action line on a first side of the shared lane line and a virtual action line on a second side of the shared lane line.