The invention discloses an embossing device which comprises a longitudinal long base, wherein multiple upper spindles and multiple lower spindles which have one-to-one correspondence relations with the upper spindles are installed on the longitudinal long base; mutually meshed gears are disposed on corresponding end parts of every upper spindle and every lower spindle which are vertically corresponding respectively; four upper pressing wheels are installed on each upper spindle; four lower pressing wheels are installed on each lower spindle; embossing lines are disposed on the upper pressing wheels located on both sides and the lower pressing wheels located on both sides; the upper pressing wheels located in the middle part and the lower pressing wheels located in the middle part are conveying wheels; a feeding supporting plate is also disposed on the front end of the longitudinal long base; the feeding supporting plate is equipped with a guide rail and three limiting slide blocks which are installed on the guide rail; a limiting groove way is formed between every two adjacent limiting slide blocks; the guide rail is parallel with the upper spindles and the lower spindles; and the limiting slide blocks are arranged along the length direction of the longitudinal long base. The embossing device disclosed by the invention has the advantages of a simple structure and high working efficiency.