Swelling and redness on the face are commonly caused by cold stimulation, allergy and trauma, etc. General treatment and medication can be taken according to different causes. 1. Cold irritation: when the cold weather does not keep you warm, it may lead to frostbite on the facial skin, which may cause the symptoms mentioned above, at this time, you need to keep warm in time to avoid being cold, if the symptoms are more serious, you can use frostbite cream and other treatments. 2. Allergy: it can be seen in the use of shoddy cosmetics, contact with pollen and other local skin allergies, swelling and redness, in addition to avoiding contact with allergens, light diet and other general treatment, but also the use of loratadine and other anti-allergy drugs. 3. Trauma: If the local skin is impacted by soft tissue injury, the above symptoms can also occur, early cold compresses can be used to reduce swelling and pain, 24 hours later, hot compresses can be used to accelerate blood circulation to reduce symptoms, if necessary, can be used Yunnan Baiyao and other medications. In addition, other causes should be ruled out, it is recommended to go to the hospital in time to avoid delaying the condition. All of the above drugs should be used in accordance with medical advice.