Sticky bean bag, also known as soy bean bag or bean bag. It is a kind of bean paste food originating from Manchu. Manchu people traditionally like sticky foods, which are good for long-term outdoor activities such as hunting and cutting wood in cold weather. It is very common in many parts of northern China and is an indispensable protagonist of the winter table. Sticky bean bags are usually made at the beginning of the winter and then placed in an outdoor tank for winter. All craftsmanship is derived from nature and is a model of traditional natural foods. Sticky bean bags are not only balanced in nutrition, but also include ancient cultural heritage, which is the first of its kind. Qinhuangdao City, Hebei Province Qinglong Manchu Autonomous County is the hometown of China's sticky bean bags. The sticky bean bag is suitable for storage in a dry environment in winter, below zero degrees Celsius, and can be stored for a long time at normal temperature. However, it can't be stored in an environment above 20 degrees Celsius for more than half a month. Generally, people in the Northeast will eat it in the spring of the next year. After that, the bean bag will be mildewed and deteriorated.