The Caper (Capparis spinosa L.) is Plant, which has an economic value and high medical efficiency. The populations of this plant have an evident morphological diversity in our nature. This research is devoted for studying the diversity of the varieties of the plant Capparis spinosa L., depending on protein contents properties of leaves and seeds, by Quantitative study and Electrophoresis (SDS-PAGE) method. The aim is to check if these norms confirm or change the Classification grade of the varieties of the studied plant. Our results show that existence of homogeneity between these Varieties, in the same time an acceptable differences. This can be considered among classification standard to help distinguish the different forms of Capparis spinosa L. plant and still regarded as Varieties.