An integrated front light assembly, a manufacturing method thereof and a reflective display device are disclosed. The integrated front light assembly includes a protective substrate; a touch-control layer disposed on the protective substrate; a light guide layer disposed on the touch-control layer; and a light source disposed on at least one side of the light guide layer. The reflective display device comprises a display panel and the integrated front light assembly. In this way, a thickness of the reflective display device can be reduced and a display effect of the reflective display device can be improved.