The invention provides a light therapy device and a light therapy system, comprising: a control unit, a plurality of phototherapy units, and a plurality of laser output ends； the phototherapy unit is electrically connected to the control unit, and the phototherapy unit has a drive unit and a driven unit respectively. And a laser output module emitting laser light； the laser output end is disposed on the housing and optically connected with the laser output module to output the laser light. Accordingly, the present invention can meet the needs of multiple sets of laser light treatments at the same time by providing a plurality of phototherapy units and a plurality of laser output terminals.本新型提供一種光治療儀及光治療系統，包括：控制單元、複數個光療單元、以及複數個雷射輸出端；光療單元與控制單元電性連接，光療單元分別具有驅動單元以及受驅動單元控制而發出雷射光的雷射輸出模組；雷射輸出端，設置於殼體上並和雷射輸出模組形成光連接以輸出雷射光。據此，本新型透過設置複數個光療單元、以及複數個雷射輸出端可滿足在同一時間的多組雷射光治療需求。
