Every day the sun face is getting darker and darker can be alleviated through sun protection, photorejuvenation, injection of hydrazine needle and other ways. 1. Sun protection: ultraviolet rays will stimulate the skin, resulting in hyperpigmentation, skin darkening and other symptoms, usually go out to do a good job of sun exposure measures to reduce the direct stimulation of ultraviolet rays on the skin such as sunscreen umbrellas, sunscreen clothing, sunscreen and so on. 2. Photorejuvenation: The treatment mainly uses a special wavelength of laser light to pass through the surface layer of the skin, destroying the pigmentation, thus playing a role in whitening the skin. 3. Hydrographic injection: this method is mainly through the superficial dermal injection of hyaluronic acid and vitamin C, tranexamic acid injection, etc., to play a role in lightening the role of melanin whitening the skin, suitable for short-term ultraviolet irradiation and darkening of the crowd. The patients whose faces are getting darker and darker after sunbathing every day and who have the will to improve can go to the regular medical institutions and under the guidance of specialists for the relevant treatments.