The reconstruction of archaeological remains and ruins of buildings and sites is a dilemma and a controversial theme among specialists, but the predominant and widespread the conservative view the reversible minimum interventions which is against reconstruction. this paper exhibits this current approach and confounds it with the warrants or justifications for buildings and sites reconstruction 's remains and ruins particularly ancient Egyptian ones which have some particular conditions , and with exhibition to the general criteria for reconstruction, holding the pass with an overview of some proverbial reconstruction practices of ancient Egyptian buildings (the temple of Hatshepsut at el-Deir elBahari, the white chapel of Senusret I , the Egyptian Alabaster Chapel of Amenhotep I and the Red Chapel of Hatshepsut at Karnak.