ABSTRACT Preliminary plant design soap noodle using palmitic and lauric acid as the raw material. The overall production process using a continuous process involving the heating process, purifying, neutralization, mixing, drying, and packaging. Soap noodle plant's production capacity is 30,000 tons per year with 330 days working days per year. The company is limited union form Limited Liability Company (PT) by using a line and staff organizational structure. Used 125 person as employees. Location for establishing this factory is planned in Tanjung Seumantoh, Karang Baru districts, Aceh Tamiang, Aceh province, with area of 26.400 m2. The water resource for the plant soap noodle is will take from Tamiang River. The results of the economic analysis are obtained as follows: a. Fixed Capital Investment = Rp. 163.832.010.723 b. Working Capital Investment = Rp. 28.359.506.682 c. Total Capital Investment = Rp. 192.191.517.405 d. Production Cost per year = Rp. 357.381.327.249 e. The sales per year = Rp. 450.000.000.000 f. Net income per year = Rp. 69.464.004.563 g. Pay Out Time (POT) = 3 years 8,4 months h. Break even Point (BEP) = 36 % The conclution based on the result is the preliminary plant design soap noodle is capable for continuing to the construction step.