The present disclosure provides a method for preparing a rice hot pepper paste using an Aspergillus oryzae CJ 1354 strain and a Bacillus amyloliquefaciens CJ 14-6 strain isolated from traditional meju, and a rice hot pepper paste produced by the preparation method. The method for preparing a rice hot pepper paste includes: soaking rice in water or adding water to rice and steaming the rice; inoculating an Aspergillus oryzae CJ 1354 (KCCM 11300P) strain into the steamed rice and conducting incubation to prepare a rice koji; soaking beans in water or adding water to beans and steaming the beans; inoculating a Bacillus amyloliquefaciens CJ 14-6 (KCCM 11718P) strain into the steamed beans and conducting incubation to make a bean koji; adding brine and then at least one selected from the group consisting of steamed rice, bean-processed food stuff, meju, and doenjang to the rice koji and the bean koji to prepare a first mixture, and conducting a first aging; and adding red chili powder and then at least one selected from the group consisting of starch sugar, soy sauce, salt, a spice-processed food stuff, a taste and flavor enhancer, and a grain-processed food stuff to the first mixture to prepare a second mixture, and conducting sterilization and a second aging.