Mixed-pillar columns are a combination of two well-known structural formations: steel structures and concrete structures. These types of columns, with the combination of concrete and steel properties, opened up a great deal in the design of high-rise and economic structures. Specifically, columns with mixed cross-section of concrete-steel were created after the appearance of steel and concrete structures, and as a result its design relations A combination of steel design and concrete designs. One of the most important factors in the bearing capacity of the columns is their buckling. The composite column is made up of different sections and therefore has a structural variation. In this paper, three specific types of CFT, SRC, and SRC reinforced column FRP columns are investigated and with the help of ABAQUS finite element software, these columns are modeled and subjected to cyclic loading, and their energy absorption and hysteresis charts are compared and their advantages and disadvantages are specified. Is.