Vehicle door control method and system and vehicle

The invention relates to a vehicle door control method and system and a vehicle. The vehicle door control method comprises the steps that target information of the surrounding area of a vehicle door is obtained, and whether a target object having the risk of colliding with the vehicle door exists in the surrounding area or not is determined according to the target information, and under the condition that it is determined that the target object having the collision risk with the vehicle door exists in the surrounding area, a power assisting mechanism of the vehicle door is switched into a width limiting mode, so that the opening width of the vehicle door is limited in the width limiting mode through the power assisting mechanism. According to the technical scheme, before the vehicle door is opened, when the existence of the target object is determined, the opening width of the vehicle door is limited, so that the risk that the vehicle door collides with the static target object and collides with pedestrians o