A laser lighting device with waterproof effect includes a cap body, a plurality of laser modules, a flexible circuit board, and a waterproof layer. The laser modules are disposed on a flexible circuit board, and the flexible circuit board is disposed on a cap. Within the body, these laser modules can be driven to irradiate the user's head, thereby stimulating the hair follicles and generating the effect of hair hyperplasia. The waterproof layer is covered on two opposite sides of the flexible circuit board and the outside of the laser modules. Thereby, it is possible to have a better waterproof effect.一種具有防水效果的雷射光照裝置，包括一帽體、多個雷射模組、一軟性電路板及一防水層，該些雷射模組設置於軟性電路板上，軟性電路板設置於帽體內，能驅動該些雷射模組，用以照射於使用者的頭部，藉以刺激毛囊，產生毛髮增生的效果。防水層被覆於軟性電路板相對的兩面及該些雷射模組的外側。由此，能具有較佳的防水效果。
