First, keep your hands and feet warm. The cause of frostbite of hands and feet is poor blood circulation of hands and feet due to long-term exposure to low temperature. Therefore, the primary task of preventing frostbite of hands and feet is to keep hands and feet warm. When you go out in winter, put your hands in your pockets or wear gloves.

Second, keep jogging every day. Jogging can promote blood circulation, which is beneficial to the blood supply of feet. Because the foot is at the farthest end from the heart, plus the gravity of the earth, the blood return of the foot is slow and it is easy to get frostbite.

The jogging speed is about five minutes1000 m. Winter is especially suitable for jogging, and people who are easy to freeze their feet start to stick to it before winter comes.

Third, insist on rubbing hands, the subcutaneous fat content of the back of the hand is low, the blood circulation and reflux are slow, and it is easy to get frostbite. Therefore, if the hands are exposed to cold air, they should rub against each other to actively promote the blood supply to the hands and speed up blood circulation.

Fourth, insist on soaking your hands and feet with warm water every day. After a busy day, soaking your hands and feet in warm water at night will feel very comfortable, which is not only conducive to preventing frostbite of your hands and feet, but also has health care functions. Experts remind that the time for soaking feet and hands should generally reach more than 30 minutes, and the water should not be too hot, which is generally kept at around 40 degrees Celsius.