In archaeology, the discovery of pottery is treated as an important indicator of human civilization, and the history of human development is divided according to its form and pattern. However, through the eyes of a food scientist, mankind's first bioreactor can be seen in earthenware. The oldest pieces of pottery ever discovered (before 10,000 BC) are being excavated in Northeast Asia, and the author is asserting the hypothesis that the coast of the Korea Strait of the Korean Peninsula could be a birthplace of the Primitive Pottery Culture. The use of earthenware marks the beginning of boiling culture and fermentation technology, and is the origin of the Korean people’s traditional food culture including Tang and Jjigae (stew) culture and kimchi and jeotgal (fermented fish) culture. Among the three Northeast Asian countries (China, Korea, and Japan), the necessary and sufficient conditions for inferring that Korea Strait is a birthplace of primitive pottery culture. These are discussed with a focus on the unique food culture of the Korean people.