In winter, due to the low temperature and dry climate, and our hands are directly exposed to the external environment, it is easy to secondary hand diseases, such as hand eczema, frostbite, etc. Recently, in our dermatology clinic will often receive these patients. Hand eczema Normal human skin has a sebaceous gland, can secrete sebum, its role is to form a protective film on the surface of our skin, which can prevent the loss of moisture on the skin surface, the skin to play a protective, moisturizing effect, but the hand skin sebaceous glands in the distribution of the less, so the sebum secretion is also less, itself easy to cause dryness, and at the same time, due to the climate in the winter is also relatively dry, the hands are exposed to the external environment, often in contact with stimulating substances, and the hands are exposed to the external environment, often in contact with stimulating substances. External environment, often in contact with irritating chemical materials, easy to cause changes in eczema, eczema occurs on the back of the hand, wrist, finger back and other parts of the clinic can be manifested as erythema, pimples, blisters, linear scratches, with a tendency to ooze, accompanied by itchy, lesions, if the repetitive, prolonged, if not, and ultimately, slowly thickened, become rougher, peeling, and even cracking. So how about scientific care and standardized treatment for eczema? 1. Pay attention to hand cleaning, but also to avoid excessive water cleaning, avoid the use of strong alkaline soap, can choose multi-fat soap or neutral soap, and then wash the soap with water, apply some lipid cream to moisturize the skin. 2, avoid contact with irritating chemicals, such as detergent, laundry detergent, gasoline, diesel, disinfectant, etc., if you have to contact, it is best to wear protective gloves. 3, do a good job of keeping the skin warm, because keep warm, the skin temperature rises, the skin’s immunity, resistance to disease and repair ability will be enhanced, the chances of disease will be reduced. 4, avoid biting hands, scratching, uncovering the skin and other bad habits. 5, eczema treatment according to different stages of the medication program is different, such as exudate-based solution with wet compresses, dry, hyperplasia-based ointment or ointment external coating, itching is more serious, but also oral antiallergic medication for treatment, so it is best to go to the hospital by a specialist to standardize the diagnosis and treatment. Frostbite The winter temperature is very low, causing the body surface capillary contraction, most of the circulating blood volume is concentrated in the viscera, and the endings such as the hand circulating blood volume is reduced, coupled with the long-term exposure of the hand, a long time in the cold, ischemic state, is very easy to cause frostbite, generally manifested as skin erythema, swelling, pain, itching, and cracking and other manifestations. Then frostbite protection precautions are the following aspects 1, pay attention to warmth, go out and wear warm gloves, reduce contact with cold water, ice and other substances. 2, strengthen physical exercise, exercise can promote blood circulation in the body, the peripheral circulation of the limbs will also increase, thus increasing the resistance to disease, cold and repair capacity. 3, after the occurrence of frostbite, you can use hot water to soak in some chili powder every day, and you can apply frostbite cream and other drugs. Avoid excessive friction of the skin lesions, strengthen the moisturizing, prevention and treatment of chafing occurs!