Neck sunburn, also known as solar dermatitis, after the onset of the treatment mainly includes the treatment of the acute phase after sunburn and the treatment of pigmentation left after sunburn. 1. Acute treatment of sunburn: first of all, local cold compresses, a piece of ice in a towel wrapped up inside the burned parts, can effectively restore the burning sensation of the skin caused by sunburn, and need to be under the guidance of a doctor, such as topical glycerite lotion. 2. The treatment of pigmentation left after the injury: should avoid re-exposure to the sun, you can use physical shading agent or chemical shading agent, in addition, you can apply decolorizing agent, such as hydroquinone cream, compound arbutin cream, etc., if the pigmentation is obvious, it is not easy to remove, but also can be used in laser, photorejuvenation, and other physical treatments. Of course, for the more serious sunburn, such as edema, blisters and systemic symptoms, it is necessary to consult a doctor in a timely manner, under the guidance of the doctor’s oral non-steroidal anti-inflammatory drugs, antihistamines, and other treatments, and in severe cases, the systematic application of glucocorticoids.