The present invention relates to a manufacturing apparatus for producing rice noodles, and more particularly, to a rice noodle manufacturing apparatus for processing raw noodles made of rice using wet dough using water tension.The rice surface preparation apparatus of the present invention comprises a mixing section which is formed at a top end of a main body and is formed of a box having a hollow section therein and receives and discharges a dough in which rice and water are mixed in a hollow section； A barrier plate formed to be elongated in the width direction so as to form a thin and long gap in the width direction so as to spread the dough thinly on the first transfer unit belt in the preliminary stage and prevent passage of more than a predetermined height of the dough, A thickness filter including a support for fixing the plate and forming a thin and long gap at the lower end of the barrier plate； and a heater for heating the inside of the box when the thinly spread dough passes through the box, A heating unit in which a box is formed so as not to be housed in the housing, and a conveying unit that conveys the dough discharged from the mixing unit until it passes through the heating unit A second conveying belt type conveying unit for conveying and conveying one side of the dough dropped from the first conveying unit and conveying the dough in a direction opposite to the first conveying unit； A conveyor belt type third transfer unit for cooling and conveying the opposite side of the dough dropped from the second transfer unit to convey the dough in a direction opposite to the second transfer unit； A cutting portion having a plurality of blades at a closely spaced interval on a surface of a circular roller that rotates to cut the cutting portion, a discharge portion for discharging the rice surface dropped from the cutting portion to the outside, and a power supply A control unit for controlling the operation and speed of the power unit and the temperature of
