PURPOSE: A coarse liquor by an extra-high voltage sterilized coarse liquor manufacturing method is provided to have a simple manufacturing process by having no change in quality of nutrient, color, aroma, taste, and flavor of the coarse liquor during the sterilization, and circulated through a long period of time by extending storing period compare to the general coarse liquor marketed. CONSTITUTION: A coarse liquor storing life extending method comprises a step of extra-high voltage sterilizing of the coarse liquor. The coarse liquor is Korean rice alcohol or Dongdongju. The extra-high voltage sterilized coarse liquor comprises the characteristics below. (a) The total cell amount within the coarse liquor: 200-30 CFU/mL. (b) The storing duration of the coarse liquor at the room temperature (20-25 degree Celsius): 25-30 days. (c) The storing duration of the coarse liquor at lower temperature (2-4 degree Celsius): 60-80 days. (d) The acidity (Lactic acid) of the coarse liquor: 0.46-0.40%. (e) The amino acid degree (Glycine) of the coarse liquor: 0.38-0.34%. (f) The pH of the coarse liquor: 4.24-4.12. (g) The alcohol content of the coarse liquor: 7.0-6.0%.