Whether the spider nevus in children should be treated or not should be decided according to its cause, the spider nevus caused by physiological reasons generally does not need to be treated, while the spider nevus caused by pathological reasons needs to be treated, such as acute hepatitis, chronic hepatitis, cirrhosis of the liver and so on. Spider nevus in children is due to the developmental stage of estrogen levels rise due to this is a normal physiological reasons, generally no treatment, this situation will grow with age and estrogen secretion gradually reduce, spider nevus can slowly disappear, patients need to pay attention to keep the skin clean. If the spider nevus in children is caused by liver function damage due to insufficient inactivation of estrogen, such as acute hepatitis, chronic hepatitis, cirrhosis, etc., at this time, you need to actively cooperate with the doctor to treat the primary disease. Children with spider nevus should go to the hospital in time to find out the cause, if it is caused by pathological reasons, it should be timely targeted treatment, so as not to miss the treatment time.