Rolling on a donkey is one of the traditional snacks in Northeast China, old Beijing and Tianjinwei. The finished product is bright in yellow, white and red, which is really beautiful. Because the yellow bean sprinkled in the final production process is like the bursts of loess raised by wild donkeys in the suburbs of old Beijing, it is named "snowballing". The raw materials of "snowballing usury" are rhubarb rice noodles, yellow bean, sand, white sugar, sesame oil, sweet-scented osmanthus, green shredded pork and melon seeds. Its production is divided into three processes: blank making, stuffing and molding. The outer layer of the prepared "snowballing donkey" is covered with bean flour, which is golden yellow, with sweet bean stuffing, soft and unique flavor. The bean stuffing melts in the mouth and tastes sweet. yellow bean can eat it without chewing, so it is a traditional flavor snack suitable for all ages.