Children’s bridge of the nose has a tendon more reasons, the more common physiological factors, trauma, etc.. 1. Physiological factors: some children’s skin is relatively weak, the capillaries around the bridge of the nose is more conspicuous, so you will see the bruises, is a normal performance, generally without special treatment. 2. Trauma: if the child’s nose at the veins are not congenital factors, but due to acquired factors, it is considered to be due to trauma resulting in veins protruding from the surface of the skin, often accompanied by skin bruising, redness, swelling and pain and other symptoms. Children with bruises on the bridge of the nose should not be treated without authorization, can be observed, if there are bruises on the bridge of the nose and cause other adverse reactions, and accompanied by loss of appetite, poor spirits, need to consult a doctor in a timely manner, through a professional examination to analyze the cause of the disease and then carry out regular treatment.