It is not recommended that babies have early access to cell phones, if they want to play, they can do so after the age of three or four, but the time should not be too long. Baby play cell phone and age relationship has no direct relationship, but do not recommend that babies play cell phone too early. The light from the cell phone screen is strong, and the baby’s eyes will be stimulated to a certain extent, easily affecting the development of the retina. After three or four years old, the baby’s visual development is more perfect, you can occasionally play with the cell phone for a short time, but pay attention to the time. Secondly, due to the frequent use of cell phones, if you do not pay attention to the daily cleaning and disinfection, there may be a lot of bacteria, etc., the baby itself belongs to the resistance of the population is relatively low, always playing the phone, may affect the baby’s health. It is recommended that parents try not to let the baby touch the cell phone, you can play outdoors or interact with the baby more to help divert attention.