Foods to warm you up 1 Eat food that contains niacin. Niacin helps stabilize the nervous system and boost the circulatory system. It plays a significant role in expanding the capillaries, thus getting more blood to warm up the hands and feet. Foods like milk, eggs and cheese all contain a good quantity of niacin. Others abundant in niacin include animal liver, sesame, coffee and peanuts, as well as all-wheat products.2 Vegetables and fruits. abundant in Vitamin C help people stay healthy. And in the winter, vegetables and fruits can help keep the winter chills away. Leeks, carrots and spinach are also good vegetables to eat, while fruits like peaches, apricots and papaya can keep you warm.3 Spicy seasoning keeps cold temperatures away by boosting blood circulation. So when eating fried noodles or fried rice, add some spicy sauce; when eating soup, add pepper powder; when eating dumplings, have a bowl of spicy sour soup together.4 Have some tonic treats during this dry and cold season. Ginseng tea, longan tea, ginger duck and sweet dumplings all help to keep the body warm.Three don'ts For those who are particular sensitive to the cold, pay attention to the following three don'ts:1 Don't have cold drinks or icy dessert.2 Don't eat raw foods.3 Don't stay hungry. Keep some snacks with you in case that you may be too busy to have full-portion meals.Some secret recipes to warm you up 1 Eat more of bei-tofu and xue-tofuBei-tofu, or dried tofu commonly found in north China, is rich in vitamin B2 which enhances people's resistance to coldness, and helps make up for depleted energy. Xue-tofu, or smoked tofu made of pig’s blood and tofu, provides good relief for people who are afraid of coldness, are easily fatigued and have a bad countenance. This kind of tofu can also enrich the blood with iron. The easiest way to prepare bei-tofu and xue-tofu is to fry them together.2 Stewed mushrooms and sweet potatoesThe best mushrooms to have during this time of year are the ones from northeast China. These mushrooms typically have sturdy roots and are rich in Vitamin A, Vitamin B and some microelements. Meanwhile, sweet potatoes contain top quality protein and starch, which can be quickly transformed into energy.3 For those who have cold hands and feet all the time, this method works well. Bathe cold feet and hands in cold water for a while and then dry them. Wear socks and gloves, and the hands and the feet will warm up soon.