It is not too late to treat nevus of bright red spot at the age of eight, and the prognosis is better after active treatment. Nevus erythematosus is also known as nevus of dilated capillaries, most of the children will have it when they are born, it mainly occurs on the children’s face and neck, sometimes it will involve the mucous membranes, the color is mainly in dark red or purplish-red patch, the border is clear, the younger the age of this kind of nevus erythematosus is, the better the effect of the treatment will be, however, if the treatment at the age of eight years is not too late, the prognosis effect is still relatively good. Treatment of nevus erythematosus mainly takes surgical excision and laser photodynamic therapy, if there is allergy to photosensitizer, it is recommended not to take, so as not to bring discomfort to the body.