ملخص الدراسة:

The conservation and cleaning of the clay Tablets have the same importance of historical content . Clay tablets vary in their volumes and shapes ; some of them are small and some are big others are very big ; whereas their shape is either rectangle or square .Since the clay tablets were made of clay which containsdifferent kinds of salt which were formed as a result of temperature change and high or low humidity ;therefore ,there are two kinds of clay tablets found in the archaeological sites ,they enter the lab for conservation and cleaning .The first kind is unbaked which were dried under the sun. The second kind is the basically bakedor fund in a burned archaeological site . This article shows the stages of the conservation of the clay tablets from the moment of finding it until finishing the conservation , in order to be presented in the museum or to the researchers in a clear and clean way to be studied easily.