Liquid crystal display screen box thickness spring leveling device and leveling method

The invention discloses a liquid crystal display screen box thickness spring leveling device and a leveling method. The leveling device is used for evenly applying pressure to the whole outer surface of a glass pot crystal box and comprises a leveling pressing frame, soft cushion material layers, a spring pressing cushion and a micrometer; the soft cushion material layers are arranged between a first leveling plate and a second leveling plate in parallel, a glass pot crystal box is arranged between any two adjacent soft cushion material layers in a tightly attached mode, and the soft cushion material layer closest to the second leveling plate is arranged to be tightly attached to the second leveling plate, the spring pressing cushion is tightly attached to the outer side surface of the soft pad material layer closest to the first leveling plate, the micrometer is arranged on the first leveling plate, and the pressure point of the micrometer is located at the center point of the spring pressing cushion. After