The fire ratedt glass floor and skylight system are horizontal fire rated glass component systems that comply with fire resistant integrity, fire resistant heat insulation and load bearing capacity. This system includes a fire protection system composed of a fire resistant support frame, load-bearing insulated fire rated glass, and fireproof and heat insulating sealing materials. In addition to meeting the lighting requirements, it can also meet the functions of fire prevention, heat insulation, and load-bearing when a fire occurs. It solves many problems of glass floors and lighting roofs not being fireproof.