Solar dermatitis, or sunburn, can be prevented from recurring with good sun protection and can be cured with active treatment, and it is not a lifelong disease. Solar dermatitis is caused by prolonged exposure to the sun, and some people with lighter skin color are more prone to sunburn than people with darker skin. Therefore, the main focus of solar dermatitis protection is to avoid exposure to the sun, and to apply sunscreen or wear sun hats and umbrellas when going out. Sun dermatitis can be avoided through reasonable protection. If solar dermatitis occurs, you can apply mometasone furoate ointment or dianabed ointment under the guidance of a doctor for treatment, and systemic symptoms can be oral antihistamines, vitamin C, non-steroidal anti-inflammatory drugs, etc., the specific use of medication is recommended to follow the instructions of the doctor. If you feel unwell, you should go to the hospital in time and ask the professional doctor to guide the treatment.