The present invention relates to the process for preparing Soong-Neung in aseptic package by mixing roasted rice and polished rice and adding water-for-cooking rice which is hot water extracts of the roasted rice to prepare Soong-Neung and sealing Soong-Neung under the aseptic condition and boiling cooling followed by boiling to prepare instant Soong-Neung in aseptic package, the prepared Soong-Neung in aseptic package can be preserved for a long time of more than 6 month at room temperature by the sterilization process, and have maximized perfume peculiar to Soong-Neung as diffusing perfume of roasted rice, and have a peculiar stickiness and thus have no change in perfume of Soong-Neung, and is excellent characteristics in divergency and smooth taste as erupting starch material from rice to water-for-cooking rice, such that Soong-Neung of the present invention is equivalent in quality to that of prepared by conventional home cooking method and can be preserved for a long time.
