The invention discloses instant sweet potato starch noodles and a production method thereof. The instant sweet potato starch noodles comprise 70% of sweet potato starch, 10% of cassava starch and 20% of corn starch. The production method comprises the following steps of 1, raw material blending and pulp mixing, 2, self-curing and molding, 3, refrigeration and aging, 4, unfreezing, 5, washing and dehydration, 6, weighing and molding, 7, drying and examination, and 8, packaging. The production method utilizes pesticide pollution-free sweet potato starch as a main raw material and combines a traditional production technology. The instant sweet potato starch noodles are prepared carefully by an introduced high and novel technology, is pure and clean and has a white color, a soft and moist taste, a fresh and fragrant flavor and a high nutritive value.