The causes of blood in the pubic area of newborns are mainly due to the following conditions. First of all, it is caused by the more vigorous development of capillaries in newborns. As newborns are relatively young, the blood circulation in their bodies is richer and smoother, and the child’s pubic area will sometimes appear to have a blood filament. This situation also has a softer band of blood, and the color of the child’s blood is more vivid, the child’s this situation does not require special treatment. Because the child’s mental state, as well as other growth and development are normal, the child’s pubic skin also has no symptoms of scratching and itching. Secondly, it is caused by vulvovaginitis. If the newborn suffers from vulvovaginitis, the child will also appear to have blood color in the pubic area. In this case, parents should give the child timely application of potassium permanganate solution for local washing.