Sunburned skin redness, you can use cold compresses, apply repair ointment, apply after-sun masks and other methods of relief. 1. Cold compress: skin in the sun after red, need to promptly reduce the local temperature of the skin to prevent further damage, while the skin capillary contraction, reduce the local inflammatory response, promote skin repair, can be used to lower the temperature paste, wet wipes, ice packs and other cold compresses. 2. Apply repair ointment: After the sunburned skin redness, if accompanied by burning sensation, pain, etc., need to be coated under the guidance of a professional doctor to repair the ointment, common including halomethasone ointment, dexamethasone acetate ointment and so on. 3. Apply after-sun mask: After the sun can also timely apply some after-sun repair mask, apply some aloe vera gel to promote skin repair. Prevention of sunburn, should avoid long-term exposure to the sun, do a good job of sunscreen. The more serious sunburn need to consult the dermatologist in a timely manner, under the guidance of a professional doctor.