The winter climate in Northeast China is cold and dry, and people's bodies need a lot of heat and water to keep warm and healthy. Sauerkraut and vermicelli are both traditional foods in Northeast China. Stewed sauerkraut and vermicelli are common food collocations in Northeast China in winter for the following reasons:

1. Sauerkraut is one of the seasonal vegetables in winter. It is rich in vitamin C and dietary fiber, which can enhance human immunity and digestive function. At the same time, Sauerkraut also helps to promote appetite and eliminate offensive taste.

2. vermicelli is a kind of food with high calorie and carbohydrate, which can provide enough energy for the body. At the same time, vermicelli can also increase the body's water intake and help maintain the body's water balance.

3. Stewed sauerkraut and stewed vermicelli can be cooked together, which can not only enrich the taste of ingredients, but also make soup more delicious and increase appetite. In addition, the cooking methods of stewed sauerkraut and stewed vermicelli are simple, easy to operate and suitable for making at home.