There are many kinds of spots. Different spots are formed for different reasons, and the removal methods are also different: 1. Melasma is caused by endocrine disorder, apply hydroquinone ointment to the affected area, maintain sufficient sleep and a relaxed mood, and persist for a period of time to make it fade away. 2. Sun spots caused by ultraviolet radiation, apply vitamin C injection to the affected area, apply sunscreen when going out, wear sun hat, sun protection clothing, and eat more food with high vitamin C content, which can remove them. 3. 3.Age spots caused by the decline of body functions and melanin deposition can be removed by physical methods such as laser and freezing in hospital. Age spots can be prevented by eating foods with high vitamin E content such as soybean and sesame. 4. Freckles caused by heredity can appear in childhood, with the main symptom of yellow-brown spots on the face, and the symptoms become lighter or disappear in summer and winter.