1. This is a study on the utilization volume of the 94 native Korean red pines in Kwangyan Forests. 2. The formulas which derived by the above investigation are follows. a. Hight growth curve ; H = 4.76 + 0.125D ÷ 0.0026D b. Cubic volume formula ; V = 0.0000839D^(2.3) H^(0.2) c. The relation between utilization volume and log length ; Vu = 0.1708 - 0.0230L d. The percentage of utilization, when length was 2 meters ; P = 27.37 D^(0.3648) e. The number of 2 meter long timbers ; N = 0.0863D^(1.15) f. The equation of the utilization timber volume when log length was 2 meters ; Vu = 0.0000159D²H^(1.3) 3. As a conclusion, it was found that the utilization volume in the case of 2 meter lot, was most greater than the others.