To provide a device for horizontally arranging a bundle of laver capable of preventing the enlargement of the variation and unevenness of the laver due to air resistance or the like generated when the bundle of the laver is dropped, making the arrangement by an arranging wing more securely and holding the throughput capacity of about 12,000 sheets/hour in the device for horizontally arranging the bundle of the laver. A receiving plate 10 fixed to the top of the elevating shaft 11, a gear 12 attached to the tip of a rotating shaft 17 of an inverter motor 15, an inverter motor control means, etc., are provided. When the laver bundle 8 is dropped, the receiving plate 10 is stopped at a top dead center position, the receiving plate 10 is lowered from a medium speed to a high speed, The receiving plate 10 is elevated at a high speed...