The symptoms of solar dermatitis are usually localized itching, redness and swelling of the skin, and in severe cases, blisters may occur, which may also be accompanied by fever, nausea, headache, malaise and other systemic symptoms. Solar dermatitis is mainly caused by strong sunlight exposure, the common symptoms are generally manifested in the exposed area of the skin itching, flushing, swelling, sometimes accompanied by fever, nausea, headache, fatigue and other systemic symptoms, serious blisters will occur, rupture will appear after the erosion. Mild solar dermatitis, after avoiding sunlight exposure, usually with the passage of time, gradual recovery. Patients with severe symptoms need to take antihistamines such as loratadine tablets and cetirizine hydrochloride tablets, as well as vitamin C, to relieve pain, vesicles and itching. If the skin becomes abnormal after being exposed to strong sunlight, patients are advised to consult a professional doctor in time and take medication as prescribed by the doctor to avoid worsening of the symptoms of the lesions.