The present invention relates to a method of preparing cooked rice containing indigestible maltodextrin for inhibiting blood sugar elevation. The method comprises the steps of: 1) washing raw rice, soaking the washed rice in water, dehydrating the soaked rice, and filling the dehydrated rice into a container； 2) heat-sterilizing the rice filled in the container； 3) supplying cooking water, which contains indigestible maltodextrin in an amount of 5.0-8.0 g based on 210 g of the cooked rice, into the rice-filled container, and cooking the rice with steam； and 4) sealing the cooked rice.本發明係關於一種製備用於抑制血糖升高之含有難消化麥芽糊精之米飯的方法。該方法包含以下步驟：1)洗滌生米，將經洗滌米浸漬於水中，使經浸漬米脫水，以及將經脫水米填充至容器中；2)使填充至該容器中之該米加熱滅菌；3)向經該米填充之容器中供應烹調水且用蒸汽烹調該米，以210克的米飯計，該烹調水含有5.0至8.0克之量的難消化麥芽糊精；以及4)密封該米飯。
