The process of maintenance and rehabilitation of archaeological buildings play an important and vital role in preserving the human heritage from exhaustion to remain an essential and indispensable milestone through its interaction with the community in addition to the economic aspect gained from its reinvestment. Developed countries have realized that, the best way to preserve the historic building and prolonging its life alongside maintenance, is by its rehabilitation by providing a new function that ensures its survival and continuity, with taking in consideration not to damage or change its historical value and privacy and that the new function be harmony and consistent with the cultural nature of the architectural building and its structure and ,and consist with the conditions of Venice agreement 1964.The re-employment of archaeological buildings and areas are considered the best solutions that balance between the needs of urban growth, and estate development and economic benefit, ,therefore the process of rehiring is important for both the building itself or for the urban environment and the general nature of the city it contains. Rehabilitation and functionality of buildings and archaeological areas are to preserve them from damage is what must be the top priority of governments, archaeological and tourist organizations .The research discusses the problems associated with the damage caused by leaving the buildings without rehabilitation and usage, and the possibility of developing an effective strategy for the rehabilitation and employment of architectural monuments that harmony with contemporary reality ,and try to meet future challenges in protecting them from natural and human damage. The problem discussed in the research is about the Insufficient research attention and lack of maximum benefit from research studies dealing with the rehabilitation, investment and preservation of architectural monuments and their preservation from damage factors and The research aims to Highlighting the need to rehabilitate, invest and preserve architectural monuments from damage factors, Establishment of general objectives for restoration and rehabilitation processes that must be applied to architectural heritage and - Highlighting some experiences in Rehired buildings and determination the resulting pros and cons. The importance of research lies in studying the different policies for the rehabilitation and investment of architectural artifacts and Development of a strategic framework for the protection and preservation of architectural heritage through rehabilitation and investment , The research used the descriptive method , The most important results obtained, The erroneous choice of new recruitment of archaeological buildings damages its architectural value and accelerates its deterioration , Repurpose the architectural heritage as a way to revive traditional crafts, Repurpose is the most important strategy of architectural heritage preservation techniques, Analysis of successful experiments leads to the development of preserving architectural heritage and transferring experience to successive generations , The human plays a major role in the destruction of archaeological possessions as a result of low awareness about the importance of heritage