Coffee birthmark on children’s face can be treated by laser therapy, photodynamic therapy, cryotherapy and so on. 1. Laser treatment: laser can penetrate the skin and directly act on the pigment in the skin, and use the energy it produces to make the pigment dissipate, so as to remove the coffee birthmark. 2. Photodynamic therapy: photodynamic therapy is a relatively new non-invasive treatment method, is a common treatment for birthmarks, mainly injected in advance photosensitizer and target cells to produce a reaction, specific light irradiation occurs after the action, resulting in target cell necrosis treatment technology. The treatment will not leave scars and will not affect the normal physiological function of the human body. 3. Cryotherapy: It is through freezing liquid nitrogen on the surface of the birthmark, so that the local tissue is frozen in an instant, so that the epidermal pigment cells necrosis, in order to achieve the purpose of removing the pigment. However, this method can cause strong pain, should be carefully selected and used. Birthmarks on the face can be disturbing, and some people have low self-esteem as a result, especially children, who are more likely to develop low self-esteem or autistic tendencies as they grow up. It is important to go to a hospital or a regular beauty salon for treatment. Birthmarks vary in scope and depth, and sometimes multiple treatments are needed to achieve the goal of treatment.