Children with red blood around the tear trough may be caused by lack of sleep, local infection, trauma and other reasons. 1. Lack of sleep: when children look at the computer for a long time, cell phones, sleep too late, it will easily lead to short sleep, poor sleep quality, may cause local congestion of the eyes, the phenomenon of red blood around the tear trough. 2. Localized infections: When children do not pay attention to eye hygiene, it may lead to localized eye infections, such as conjunctivitis, causing children to have red blood around the tear trough, and also accompanied by increased eye secretions, increased tearing symptoms. 3. Trauma: When the child’s eyes are hit or violence and other trauma, it will easily lead to capillary rupture, congestion, and the appearance of red blood around the tear trough. Children with red blood around the tear trough, if accompanied by eye pain, vision loss and other discomforts, parents should immediately take the child to the regular hospital for examination, to clarify the cause of the disease and actively cooperate with the doctor for treatment.