Sakata's tactics have gone through two and a half centuries. All computers came out in the era of scientific and technological prosperity, but they are still so brilliant and unaffected. The reason is that it is the true marrow of ancestors. After decades of painstaking research, hundreds of thousands of immortal seals have been synthesized. At that time, Chuyu City was a commercial gathering place in the17th century, with crowds coming from south to north every day. The biggest transaction of Chuyu City was "rice", and Benjian devoted himself to the research of rice market for 40 years. His knowledge of commodity market fluctuation, seasonality, weather change, war hunger, big family psychology, investment change and so on. It can be said that "know yourself and know yourself, and win every battle", and "Sakata tactics" has become an entry tool for securities and futures practitioners.

This family is not only clever, but also brave for a long time. He became famous soon after he made his fortune in Chuyu city. At that time, people called him "the dog of Chu Yu". This time, Benzong Jiu, who swept the Kansai market, went to the capital Edo (Tokyo). Everywhere he goes, there are thousands of people, and the predicted market is always accurate. As a result, Ben Zongjiu instantly became the god of ten thousand people, and was soon hired as the chief financial officer (equivalent to a senior minister) by the then shogunate emperor. I enjoyed my life's splendor, lived for a long time, and finally escaped into Buddhism. He died in the third year of enjoying Taiping (1803), enjoying a life of 79 years.