The invention relates to an environment-friendly building integrating energy-saving emission-reducing environment-protecting techniques, which comprises a roof, a building body and floor plates, wherein a sunshine energy-collecting system and a roof garden are arranged on the roof. The building is characterized in that the building also comprises an air purification system, wind power generation and wind-light complementation streetlight, stable thermal insulation walls, noise-reducing floorslabs, power generation appliances, temperature-sensitive windows, refrigerator electricity-saving devices, water-saving valves, a wastewater secondary circulation system, planting columns, planting boxes and an intelligent electricity-saving system. The building takes full advantages of sunshine, air, ground temperature, wind, rain, snow and other natural resources in nature outside the building, as well as the functions of saving electricity, saving water, greening, preserving temperature, reducing noise and purifying inside the building, thereby achieving the effect of integrating environment-friendly building integration technology and greatly improving the energy conservation, emission reduction and added value of the building.