Children with freckles are mostly related to hereditary factors, and common methods to remove freckles include chemical peeling technology, medication and physical therapy. 1. Chemical exfoliation technology: Salicylic acid and fruit acid can be used to exfoliate the superficial skin, which can effectively promote pigmentation and achieve the effect of improving freckles. 2. Pharmacological treatment: Phenol and trichloroacetic acid solution can be used to promote freckle peeling, but it is easy to cause pigmentation disorder, so it is recommended to follow the doctor’s instruction strictly and not blindly. 3. Physical treatment: Intense pulsed light is an effective means of treatment nowadays, including picosecond laser, carbon dioxide laser and so on, which can effectively remove freckles. Facial freckles should pay extra attention to sun protection, ultraviolet rays will increase pigment synthesis and aggravate freckles, hormone level (menstruation) and sleep also have an effect on freckles. Generally, freckles do not affect normal life, but if they affect the appearance, it is recommended to go to regular hospitals to receive treatment under the guidance of doctors.