Green House urban agricultural system uses glass module with azobenzene molecular film, algae bioreactor and transparent solar film. It can release heat, converts CO2 to O2, water cycle filtration, solar and algae biomass to supply ecological cycle of livestock, hydroponics and farming. It can prevent crops from freezing and provide sufficient light at the same time. The extra agricultural waste and manure can ferment to produce biogas power, biogas fertilizer for hydroponic, and cultivation. It also provides farming teaching, renting farmland, allowing citizens to join the urban planting.