At that time, there was a serious flood in Taiwan Province Province. Fan Wanju worked as a thug in the temple, beating people as gods. The gods gave orders to rush down, soaked the sweet potatoes, pressed them into a ball and kneaded them into a ball. Use cauliflower, do not wrap it, and then make it into the shape of jiaozi for the victims. It is the prototype of Beidou meatballs.