This multipurpose modularization bathroom rack can install and remove the bathroom supplies very easy and rapid from the rack (only two steps) by using a uniform size and removable engaging connection element, which one side to connect and fix on the support base rod, the other side to combine with different type of modularization bathroom supplies support seats. In addition, It still can flexibly adjust the setting number, placement and angle of the elements and support seats based on user needs after the installation is complete. Furthermore, it also can change the kind of support seat to match the placement of other objects non-bath supplies (such as: CD, books, vases, etc). It has the features of multifunction, multipurpose, and simplification and modularization of parts.