Parking Control Method and Parking Control Device

A parking control method for calculating a first control instruction and causing a control device of a vehicle to execute the first control instruction on a basis of an operation command acquired from an operator, the first control instruction being for moving the vehicle along a first route to a target parking space, the parking control method comprising:

• when detecting an obstacle object that obstructs movement of the vehicle on the first route after setting the target parking space and starting execution of the first control instruction for moving the vehicle along the first route to the set target parking space, calculating as an alternative route a route different from the first route for the vehicle to move to the set target parking space or a route for the vehicle to leave the set target parking space and move to an evacuation space, the evacuation space being not a parking space;
• presenting the operator with selection information for selecting a first mode in which the execution of the first control instruction that is set is continued or a second mode in which the control device of the vehicle is caused to execute an alternative control instruction for moving the vehicle along the alternative route different from the first route;
• and
• causing the control device to execute the first control instruction or the alternative control instruction in accordance with selection input information from the operator.