A glass greenhouse using solar light, said glass greenhouse being configured of a single unit, wherein: the unit comprises an under-eaves part and a ceiling part; the ceiling part comprises a sloped roof disposed in the north side and a southern upper face part disposed in the south side; the under-eaves part comprises a northern lower face part and a southern lower face part; the sloped roof is sloped at a definite inclination angle (α) and provided with eaves having a definite length (LE),said eavesbeing capable of shielding or attenuating the penetration of solar light or attenuating the penetration of infrared light; the southern upper face part and southern lower face part in the south side are provided with glass members; and the sloped roof is provided with glass members having a heat-ray reflecting function.
