Regularly looking at the phone on the child’s harm: affect the development of vision, communication with others ability to deteriorate, affecting spinal development and so on. 1. Impact on vision development: the eyes have the ability to adjust the refractive power according to the lens so that the object imaging falls exactly on the retina, look at the cell phone and eye distance is relatively close, the ciliary muscle is in a tense state of tension, visual fatigue, frequent visual fatigue will affect the child’s vision development. 2. Poor communication ability: children often look at the cell phone, and parents, children to communicate with the opportunity to reduce the lack of communication with the outside world for a long time, may affect the child’s ability to communicate with others, parents and children may be affected by the feelings between them. 3. Impact on spinal development: children watching the phone will be put out a variety of postures, lying, lying, crooked, nest, how comfortable how to, those comfortable sitting position will lead to affect the development of the spine. There are many other hazards that children often look at the phone, it is recommended that parents control the time and frequency of children look at the phone. If there is discomfort, you should seek medical attention.