Children looking at cell phones eyes always blinking, consider may be related to vision fatigue, dry eye and other reasons. 1. Visual fatigue: Children looking at cell phones for a long time may lead to visual fatigue. The blood vessels on the surface of the eyeballs are congested and edematous, which may cause the child to blink. At this time, you need to let the child stop looking at the cell phone, appropriate look into the distance or do eye exercises to relieve vision fatigue. 2. Dry Eye: Dry eye in children can lead to localized dryness of the eyes. Usually recurring. Children looking at the cell phone eyes always blinking, and may be related to other reasons, such as tics, it is recommended to take the child to the hospital as soon as possible, in order to clarify the cause of the disease and to receive treatment for the cause of the disease.