2. Soy sauce soup is an indispensable traditional dish from the president to the common people. Originated from the Korean peninsula, it has a long history in the Korean peninsula since ancient times. The main raw material of miso soup is miso. Isovaleraldehyde contained in soybean, the main raw material of miso soup, is a natural plant hormone, which can not only prevent breast cancer, but also reduce the incidence of hormone-related tumors.