Yellowish and dull face may be related to ultraviolet stimulation, lack of sleep, skin dehydration, liver disease, kidney disease and other conditions. It should be adjusted according to the cause through life conditioning, medication (glutathione, etc.) and other methods. 1. Ultraviolet radiation stimulation: If the patient is exposed to the sun for a long time, ultraviolet radiation stimulation will lead to yellowing and dullness of the face. Should do a good job of sunscreen, go out wearing a good sun hat and other methods. 2. Lack of sleep: If you stay up late for a long time, serious lack of sleep will affect the normal metabolism of the skin, resulting in dull skin. Generally adjust the routine, maintain sufficient sleep, the symptoms can be relieved. 3. Skin dehydration: If the patient’s skin is dry and dehydrated, it will make the skin dull and yellow. Need timely hydration, you can use skin care products with hydration effect, usually drink more water, eat more vitamin C-rich fruits and vegetables, such as oranges, tomatoes and so on. You can also take oral compound vitamin C tablets and other drugs. 4. Liver disease: When liver function is impaired, bilirubin may enter the bloodstream and the skin on the face will become dull. You can take oral glutathione, adenosylmethionine and other drugs to protect the liver treatment. 5. Kidney disease: patients with kidney disease will develop anemia, which is manifested as yellowish and dark skin. Patients should be fully integrated with the personal situation of medication, commonly used drugs are methylprednisolone, prednisone, tacrolimus, cyclophosphamide and so on. It is recommended that patients with yellowish and dull skin should consult a doctor in a timely manner, strictly follow the doctor’s instructions to regulate the treatment, and should not use medication on their own.