1. Soak the affected area with hot saline 15 minutes for 1 week. 2. External application of "Ten Drops of Water" to chilblain, 6 ~ 10 times a day, has a good effect on chilblain without ulceration; If the local skin is damaged and eroded, apply erythromycin ointment first, and then use ten drops of water after the inflammation dissipates. At the beginning of chilblain, you use a hair dryer to blow and rub it every night, and it will be fine in a few days. 4. The application of Shangshi Zhitong ointment in the treatment of first-degree chilblain with redness, self-conscious hot itching or burning pain has achieved good results. The method is to wash the affected area with warm water, dry it, and then stick the ointment on the affected skin. Generally it can be cured after 24 hours. If it is not cured, it can be changed several times. If the skin is damaged or allergic, it should not be applied. 5. There are many ways to treat chilblain, but it often takes a long time and takes a slow effect. Yunnan Baiyao has a good effect. The method is: if chilblain doesn't fester, Yunnan Baiyao powder is made into paste with white wine and applied externally, paying attention to heat preservation. If chilblain has festered, after cleaning the affected area, directly sprinkle Yunnan Baiyao on the wound surface and wrap it with sterile gauze, and it will be cured within a few days. 6. The magical effect of Shangshi Zhitong ointment in treating chilblain: Shangshi Zhitong ointment can be used to treat skin redness, itching and pain caused by chilblain. Wash it with hot water and dry it locally first, and then stick a plaster, 1 time, 2-3 times a day.