A spring coiling machine comprising: a material guide to which a material of a coil spring is inserted; a first pin to which the material discharged from a tip of the material guide contacts; a second pin disposed in a front side of a movement direction of the material with respect to the first pin, the second pin configured to form an arc part with the first pin by bending the material with the first pin; a pitch tool disposed in a front side of a movement direction of the material with respect to the second pin, the pitch tool to which the material contacts; a cutting tool configured to cut the material; a heating device configured to heat the material; and characterized by further comprising: a temperature sensor configured to detect a temperature of the material; and a controller configured to change a position of the first pin and a position of the second pin on the basis of control data corresponding to a shape of a coil spring to be formed, wherein the first pin and the second pin are moved such that a radius of curvature of the arc part increases when the temperature of the material detected by the temperature sensor increases, and the cutting tool is moved such that a gap between a center of curvature of the arc part and the cutting tool increases when the temperature of the material increases. a material guide to which a material of a coil spring is inserted; a first pin to which the material discharged from a tip of the material guide contacts; a second pin disposed in a front side of a movement direction of the material with respect to the first pin, the second pin configured to form an arc part with the first pin by bending the material with the first pin; a pitch tool disposed in a front side of a movement direction of the material with respect to the second pin, the pitch tool to which the material contacts; a cutting tool configured to cut the material; a heating device configured to heat the material; and characterized by further comprising: a temperature sensor configured to detect a temperature of the material; and a controller configured to change a position of the first pin and a position of the second pin on the basis of control data corresponding to a shape of a coil spring to be formed, wherein the first pin and the second pin are moved such that a radius of curvature of the arc part increases when the temperature of the material detected by the temperature sensor increases, and the cutting tool is moved such that a gap between a center of curvature of the arc part and the cutting tool increases when the temperature of the material increases. a temperature sensor configured to detect a temperature of the material; and a controller configured to change a position of the first pin and a position of the second pin on the basis of control data corresponding to a shape of a coil spring to be formed, wherein the first pin and the second pin are moved such that a radius of curvature of the arc part increases when the temperature of the material detected by the temperature sensor increases, and the cutting tool is moved such that a gap between a center of curvature of the arc part and the cutting tool increases when the temperature of the material increases.