Adjusting and controlling device and adjusting and controlling method of vehicle seat

The invention provides an adjusting and controlling device and an adjusting and controlling method of a vehicle seat. The adjusting and controlling device of the vehicle seat comprises a user interface, an adjusting module and a main controller, wherein the adjusting module generates an adjusting instruction based on an adjusting order input by a user, the main controller transmits the adjusting instruction to a vehicle seat adjusting mechanism, and adjustment of the vehicle seat is achieved. The adjusting and controlling device and the adjusting and controlling method of the vehicle seat have good adjusting accuracy and a locking function and are low in cost.