1. If the nevus flammeus grows on the obvious parts of the patient's face, neck and head, it will bring great damage to the patient's appearance, and at the same time it will also have a serious impact on the patient's mental health, which will easily lead to the child's inferiority complex, withdrawn personality and bad personality. 2. 65% of patients with nevus flammeus who grow on the face may have eyes, causing neurological abnormalities, such as glaucoma. 3. Patients with nevus flammeus growing on limbs may suffer from limb hypertrophy, and some may even cause abnormal growth or deformity of skeletal muscle. A patient's carelessness will cause a tattered ulcer. 4. Patients with nevus flammeus growing in the midline of the patient's back are likely to be complicated with vascular abnormalities in the lower spine. The appearance of nevus flammeus has disturbed people's normal life and work. The symptoms of early port wine nevus are minor, which mainly affects the patient's appearance. With the growth of patients' age, nevus flammeus will also grow, with larger area and darker color. Later, it will develop into a tumor, which is even more harmful. 6. Naevus flammeus is a congenital vascular malformation disease, characterized by dark red or purple spots. Will not appear on the skin surface, and will fade if squeezed hard. It is a common disease in infants and young children, and it was fine when I was young. Children will be compared when they grow up, which will cause great trauma to the patient's mind and pressure on the patient's psychology. If the guidance is not good, it may make the child sick. View original post >>