Solar building integrated energy saving system

The utility model discloses a solar building integrated energy saving system which comprises vacuum heat collecting pipes, wherein the vacuum heat collecting pipes are connected with a heat collecting box, the heat collecting box is formed by a first roof slope board, a ceiling and a second roof slope board in a constructed mode, the heat collecting box has heat preservation performance and thermal insulation performance, a storage box is installed inside the heat collecting box, and the storage box has a water storage function and a heat storage function. The solar building integrated energy saving system has the advantages that building materials, decoration, water and electricity, water resistance, thermal insulation are integrated with solar energy when the vacuum heat collecting pipes are installed on a solar building integrated panel, energy and materials are saved, the problems that the buildings easily become cold and hot and seepage easily occurs in the buildings are solved, and building waterproof and thermal-insulation projects are reduced.