Dark yellow skin can go to a regular plastic surgery hospital for laser whitening. Laser whitening can act on the pigmentation of dull skin, and different pigmentation absorbs the light beams emitted by different lasers, thus effectively crushing and decomposing skin pigment cells, thus achieving the effect of whitening and rejuvenating skin. Laser whitening effect is remarkable and its safety is relatively high. On the basis of not hurting facial skin, it achieves the therapeutic effect of painless and non-swelling, and will not have any impact on work and life. After operation, the skin will become white, tender, delicate, smooth and elastic.