There is no one standard answer to this question, as each family's situation and the maturity of the child are different, so it needs to be analyzed on a case-by-case basis. Here are some considerations that may be useful:
1.Family needs: If families often need their children to go out alone or to stay in touch with their families, then giving them a cell phone may be necessary. For example, if your child needs to take the bus to school every day, or needs to go to various activities, and needs to contact their parents in time, then mobile phones can be very useful.
2.Child's maturity: Whether the child is mature enough to understand how to use a mobile phone properly and to be able to comply with parental rules and restrictions on mobile phone use. If your child does not already have these skills, you may need to wait until your child is more mature before considering giving her a cell phone.
3.Child's sense of responsibility: Whether the child already has a responsible attitude towards the phone, knows how to take care of the phone, and how to avoid getting into trouble when using the phone.
4.Security issues: Mobile phone use can bring security concerns, such as children receiving inappropriate information or poor internet access from their phones**. Parents need to think about how to educate their children to use their phones properly, and set up monitoring and restrictions to ensure that their children do not suffer adverse effects from mobile phone use.
To sum up, if the family is necessary, the child is mature and has a certain sense of responsibility, then giving the child a mobile phone may be a good choice. However, parents should set limits and monitoring measures to ensure that their children use their phones correctly and that they are protected against related safety issues.