Pigmentation may be caused by freckles or chloasma, and the treatments for removing pigmentation include laser, drugs such as hydroquinone cream, vitamin A acid cream, etc. Different methods of treatment should be chosen according to different diseases, and at the same time, attention should be paid to sunscreen and moisturizing care. Laser is fast, convenient and effective in removing spots. Commonly used lasers are Intense Pulsed Light (IPL), Modulated Q, Picosecond, etc. By choosing appropriate frequency of laser irradiation for pigmentation, pigment cells will be broken and finally absorbed by skin metabolism to achieve the purpose of removing pigmentation, and different wavelengths and energies will be used for different pigmentation. If the degree of pigmentation is not too serious, medication can also be used, commonly used drugs are hydroquinone cream, vitamin A acid cream and so on. It is recommended that patients go to hospitals or professional medical institutions to follow the doctor’s instructions for treatment. At the same time, after treatment, pay attention to sun protection, diet to light diet, do not eat spicy and stimulating food.