Control method, control device and control system for at least one scene mode of seat assembly, seat assembly and vehicle

The present invention relates to a method for controlling at least one scene mode for a seat assembly, the seat assembly comprising: a seat; the leg support is separated from the seat; the first adjusting mechanism group and the second adjusting mechanism group correspondingly stipulate at least one parameter set for at least one scene mode, each parameter set comprises seat parameters and/or leg support parameters, and the control method comprises the steps that a, an activation signal for one scene mode is acquired; b, calling a parameter set matched with the scene mode based on the acquired activation signal; and c, controlling the seat and/or the leg support based on the called parameter set, so that the scene mode is realized by the seat and the leg support cooperatively. In this way, the adjustment performance of the seat assembly can be advantageously improved, and at least one scene mode can be realized in accordance with personalized requirements. In addition, the invention also relates to a control