According to the A-cheng District Intangible Cultural Heritage Protection Center Director Wang Yongnian introduction, relevant experts after nearly 20 years of research on historical materials confirmed: "Manchu bean juice" in the early twelfth century, produced in the Jin Jin (now A-cheng District), after the Jin Dynasty moved the capital to Beijing, a large number of bean juice makers came to Beijing and Tianjin, and then planted in this and constantly improved, to the Qing Dynasty has been widely popular in Beijing, Tianjin, Hei, Ji, Liao and other places. To the Qing Dynasty has been widely popular in Beijing, Tianjin, Hei, Ji, Liao and other places.