"Tonifying in winter, killing tigers in spring", heavy snow reminds people to start tonic, and the function of tonic is to improve the immune function of human body, promote metabolism, improve the phenomenon of chills and winter healthily. Old Nanjing loves to eat mutton in heavy snow, which can dispel cold and nourish, replenish qi and tonify deficiency, promote blood circulation and enhance cold resistance. Mutton can also increase digestive enzymes and help digestion. Experts suggest that eating mutton in winter can be mixed with yam and medlar, which is more nutritious.

As for the northern nationalities, it is quite cold at this time. For example, there is a saying in Baotou that "light snow kills pigs and heavy snow kills sheep". When the snow season comes, it is the time to kill pigs and prepare for the new year's goods. At this time, no matter who slaughters livestock, relatives and friends will come to help, and the owner will prepare food, wine and side dishes for banquets. Therefore, the light snow and heavy snow seasons are the time for family relatives and friends to catch up and contact their feelings.

2, red sticky porridge

After the heavy snow, the temperature gradually became cold. People paid great attention to keeping warm indoors and outdoors, and put on winter clothes to prevent freezing and frostbite. There is a saying among the people in northern Shandong that "when the door is blocked, people only drink red sticky porridge", which means that it's cold and no longer visits, but only drinks warm sweet potato porridge at home.

Porridge can tonify spleen and stomach, moisten and nourish lung dryness, which is an excellent choice for health preservation. Millet porridge has the effects of nourishing yin and blood, and calming the stomach, while sweet potato is also known as "tonifying deficiency, invigorating qi, strengthening spleen and stomach, and strengthening kidney yin", which makes people "live longer and have fewer diseases".