Historical curtains that are still being used are subject to many damage conditions. Where it affected by the fluctuation in temperature and humidity. In addition, the effect of light, air pollution, misuse as damage factors. The historical curtain in the royal chamber of the Cairo University contains many damage aspects such as stain, dirt, separate parts, missing parts, change in color, and general weakness. A close examination was conducted to determine the type of curtain materials, and the damage aspects. The scientific documentation of the historical curtain was carried out before conservation process .In the begging, the strengthening of the weak and separate parts was carried out prior to the washing operations. Test of color degree stability was conducted for washing solutions. Mechanical cleaning, wet cleaning, sterilization, drying of the historical curtain were carried out using scientific methods. Final installation using silk thread and needle, and by reinforced by polymer adhesion. Restoration operations were recorded by photography.