NOVELTY - Laser processing device comprises a laser output unit (110) for outputting laser beam, a partitioning unit (120) for dividing a laser beam emitted from the laser output unit into two laser beams, a laser irradiation unit irradiating the two laser beams emitted from the partitioning unit on the desired position of a protective film (12), and a distance adjustment unit for adjusting the distance between the two laser beams emitted from the partitioning unit and is installed on the partitioning unit.    USE - The device is useful for crystalline solar cell (claimed).    ADVANTAGE - The device improves production efficiency, performs processing interchangeably based on the various models, maintain a uniform processing quality of the multiple laser beams, and eliminates non-uniformity of the processing quality by deviation of the processing power in real-time.    DETAILED DESCRIPTION - Laser processing device comprises either: a laser output unit (110) for outputting laser beam, a partitioning unit (120) for dividing a laser beam emitted from the laser output unit into two laser beams, a laser irradiation unit irradiating the two laser beams emitted from the partitioning unit on the desired position of a protective film (12), and a distance adjustment unit for adjusting the distance between the two laser beams emitted from the partitioning unit and is installed on the partitioning unit; or the laser output unit, a first partitioning unit for dividing a laser beam emitted from the laser output unit into two laser beams, a second partitioning unit for dividing the two laser beams emitted from the first partitioning unit into four laser beams, the laser irradiation unit irradiating the four laser beams emitted from the second partitioning unit on the desired position of the protective film, a first distance adjustment unit for adjusting the distance between the two laser beams emitted from the first partitioning unit and adjusting the distance between the laser beam irradiated on the protective film, and a second distance adjustment unit for adjusting the distance between the two of the four laser beams emitted from the second partitioning unit and adjusting the distance between the laser beam irradiated on the protective film. The device partially removing the protective film by irradiating the laser beam on the protective film formed on the rear end surface of a crystalline solar cell substrate.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of the laser processing device.    Protective film (12)    Reflecting mirror (102)    Laser output unit (110)    Partitioning unit (120)    Wave plate (121)    First polarizer (122)