Yellowish skin can be improved through whitening injection, fruit acid peeling or photorejuvenation. 1. Skin whitening injection: Skin whitening injection is injected into the blood vessels through intravenous drip, after being absorbed by the body, it can activate the whitening factor of the human body, accelerate the skin metabolism, and inhibit the production of melanin to achieve the effect of skin whitening. 2. Fruit Acid Peeling: During the procedure, the doctor will apply fruit acid in moderate concentration on the face according to the facial condition, which can make the aging stratum corneum fall off and accelerate the skin’s renewal speed, thus achieving the effect of whitening the skin. 3. Photorejuvenation: the treatment is done by heating the skin, which can target the deeper layers of the skin and blast and decompose the pigments in the skin to achieve the effect of whitening the skin. Patients can go to a regular hospital, under the diagnosis of the doctor to choose the appropriate way to improve the yellowing of the skin.