Birthmarks are abnormal proliferation of skin tissues during development and appear abnormal shape and color on the skin surface. Birthmarks can be divided into pigmented type and vascular type, and common pigmented type includes nevus of Ota, congenital pigmented nevus, coffee spot, etc.; vascular type includes nevus of bright red spot, strawberry-like hemangioma, etc. There are many ways to treat birthmarks, and currently, pulsed laser treatment, surgical treatment, cryotherapy and carbon dioxide laser treatment are the main means. The doctor will make a reasonable treatment plan taking into account the patient’s age, the location of the birthmark growth and the specific type. The cost of birthmark treatment is closely related to the area, size, type, location, difficulty of treatment and treatment method. If the area is large, the cost of treatment will be relatively high. If the area is small, the cost of treatment will be relatively low. The exact cost will depend on the treatment plan developed by the doctor. In addition, the cost is also related to the length of treatment time, some treatment time is shorter, the cost will be lower, some need to connect the treatment several times, the cost will be higher. The birthmark may be found at the time of birth or may develop gradually in the months after birth. The best age for treatment should be chosen according to the duration of the birthmark, the degree of impact on the body, and the growth rate to reduce the impact on the patient’s work and life.