Under the compatibility of legislative system with laws and regulations of construction in Egypt and within an implementing regulations we find that they are deficient, As it's legislative clauses Lacks a comprehensive vision of the sustainability perspective in the protection and rehabilitation of the heritage gardens and parks which led to a variable reflection on the heritage and the cultural properties of the environment, As a result, many of negatives and deficiencies occurred and increasing in the rate of deterioration as well as other laws relevant to the protection of those parks as one of the cultural heritage, The researcher believes that it is the result of that legislative system which is concerned with the protection and rehabilitation of the heritage gardens and parks, And the perspective of sustainability and rehabilitation of the gardens and parks and it's protection as one of the cultural heritage to improve the urban environment of heritage areas will be greatly affected as a result of variables at hand which represented by releasing of the urban planning , cultural coordination, organization of construction work and preservation of real estate fortune issued under law no 119 of 2008,which includes the applicability of this law at all the planning entities including cities, villages and areas of heritage value.  Studies on urban development plans in Egypt over the past years also indicate many of negative phenomena, which has affected urban and natural environment of the heritage gardens and parks. The research aims to identify shortcomings in the legislations and urbanization frameworks regarding the protection of one of cultural heritage " the heritage gardens and parks " and showing their impact on the properties of urban and natural environment and the impact of construction requirements and guidelines on sustainability and activate the protection and rehabilitation of those heritage components, Right up to formulation of the most important conclusions and recommendations which emphasizes that the inclusion of the heritage gardens and parks under the legislative frameworks and conservation laws to achieve sustainability and it works to improve the quality of life in general and the revitalization of heritage parks in particular. We, today, are doing every effort to revive the radiation through making use of the garden designs adopted from the roots and developed by modern creativity.