PROBLEM TO BE SOLVED: To provide a laser treatment device capable of suppressing unnecessary radiation of a laser beam with large output to biological tissue.SOLUTION: A laser treatment device includes: an operation unit 4 for performing setting of ON/OFF of laser beam irradiation a notification unit 13 for notifying an ON state of the laser beam irradiation when ON setting of the laser beam irradiation is performed by the operation unit 4 and a laser beam irradiation unit 21 for radiating the laser beam to the outside when ON setting of the laser beam irradiation is performed by the operation unit 4. The laser beam irradiation unit 21 radiates the laser beam to the outside after a predetermined period of time has elapsed since the notification start about the ON state of the laser beam irradiation from the notification unit 13 when ON setting of the laser beam irradiation is performed by the operation unit 4.COPYRIGHT: (C)2015,JPO&INPIT【課題】出力の大きいレーザ光の生体組織への不要な照射を抑制することができるレーザ治療装置を提供する。【解決手段】レーザ光の照射のON/OFFの設定を行う操作部4と、操作部4でレーザ光の照射がONの設定がされたことに伴いレーザ光の照射のON状態を報知する報知部13と、操作部4で前記レーザ光の照射がONの設定がされたことに伴いレーザ光を外部に照射するレーザ光照射部21と、を備え、レーザ光照射部21は、操作部4でレーザ光の照射がONの設定がされたことに伴い報知部13からレーザ光の照射のON状態の報知開始から所定期間経過後にレーザ光を外部に照射する。【選択図】図2