The methods to lighten the spots on the face: reasonable diet, daily care, medication, laser treatment. 1. Reasonable diet: Avoid spicy and stimulating food such as onion, chili, ginger, etc. Eat more food rich in vitamin C to reduce the symptoms, such as apples, oranges, kiwis, etc., to speed up the metabolism or inhibit the production of melanin. 2. Daily care: attention should be paid to sunscreen and moisturizing, ultraviolet rays will stimulate melanin cells and promote pigmentation spots. 3. Medication: such as topical hydroquinone cream, azelaic acid cream and other medications. 4. Laser treatment: you can use laser to treat pigment spots in regular hospitals. It is recommended to pay attention to sun protection in normal life, and if you want to achieve the effect of completely removing spots, you can use laser to remove spots.