The yellowing and darkening of the face may be related to long-term late night, heredity, not pay attention to clean, age aging, disease factors, etc., should be in the case of a clear cause, through the life of the conditioning, medication, such as glutathione, as well as other methods of conditioning. 1. Long-term staying up late: If you stay up late for a long time and do not rest properly, it will lead to a yellowish and dark face. Methods include maintaining adequate sleep, eating more fresh fruits and vegetables, drinking more water to increase the moisture content of the skin, and if necessary, injecting hydrazine needle to stimulate the skin’s newborn. 2. Heredity: If the skin is hereditary darkness, life conditioning is generally difficult to improve. But can be improved by doing photorejuvenation and other methods. 3. Do not pay attention to clean: If you do not pay attention to clean, it may lead to the accumulation of skin horny layer is too thick, causing dull skin color. You need to pay attention to skin cleaning, you can use some skin care products with exfoliating effect and whitening effect, which can generally alleviate the symptoms. 4. Age aging: As age increases skin will age, resulting in dark skin. Through the fruit acid peeling, promote the aging of the stratum corneum off, improve the skin yellowish. 5. Disease factors: If the patient has impaired liver function, it will lead to bilirubin into the blood, causing yellowish skin color. You can take potassium magnesium menthylate, glutathione and other hepatoprotective drugs. It is recommended that the patient consult a doctor in time to clarify the cause of the disease, symptomatic treatment, strict compliance with the doctor’s instructions, not arbitrary use of drugs.