In this paper, the behavior of concrete composite steel column with variable and angular cross section with and without hardening under the influence of load borehole is investigated. At first, a laboratory test was simulated with software. After matching of software responses with laboratory responses, the effect of vertical angle, cross-sectional shape, column height, column shaper and variable cross-sectional shape on column height were investigated. Became The results show that the square section in terms of shape shows the best performance among other shapes. By increasing the angle of the column to 9 °, the resistors and the shape of the column do not change much. By increasing the angle of the column from zero to 36 degrees, the level below the displacement graph is reduced by an average of 41 percent. With a three-fold increase in height from 400 to 1200 mm, the strength and shape of the pillar will decrease by an average of 24%. Hardener improves the behavior of the column, but the thickness of the hardening does not have much effect on the performance of the column. It was also observed that the hardening transverse connection showed better behavior. As the column strength increases by 4% on average with a hardening cross-link compared to the vertical connection. The load capacity of the column of the variable section is less than 17% of the constant cross section.