Taking the two crises of the Japanese economy - after the defeat in World War II and after the bubble crisis in the 1990s - as time points, it describes how Japan's business rose after World War II and also records the self-salvation of Japanese entrepreneurs after the collapse of the bubble economy. These are the two most tragic changes after Japan's modernization, describing how entrepreneurs rebuild from the ruins and continue to move forward. It analyzes the craftsmanship of Japanese entrepreneurs and reveals the inner logic of Japan's economic revival.