Generally speaking, the best time to remove freckles in children is at the age of 3-5 years old, when freckles are at their early stage of appearance, which is favorable for removal. Freckles are a kind of autosomal dominant disease, if parents have freckles, their offspring may inherit them, especially when children grow up to 3-5 years old, they may have freckles. Since freckles are usually found on the face, they can easily lead to low self-esteem and negative psychology. Therefore, parents should pay attention to freckles once they find them in early stage and go to the pediatric dermatology department of a regular hospital for timely treatment. In addition, it is recommended that children should pay attention to sun protection, drink more water, eat less food with dark pigment such as soy sauce and coffee, and eat more food rich in vitamin C and vitamin E, which is beneficial to the lightening and prevention of freckles.