The subject of the current thesis is analysis of historical mortars while using the chemical method X-ray fluorescent analysis. Starting the thesis we have the introduction and break down of the method XRF as for what she does and how to use it. We also examine the essence of the mortar for the composing and for the historical value of it. We draw the attention at the meaningful of the mortars when it comes at restoration of cultural monuments. Subsequently there is a bibliographic overview on the mortars with the use of XRF while pin pointing the last years. Additionally they’re presented none catastrophically methods of analysis while we define the meaning in the restoration of monuments and artworks. At the end they are some examples from studies and analytics from artworks using the method XRF.