There are advantages and disadvantages for using mobile phone.
firstly, it is good.Using mobile phone can enhance your communication with others. It is a good way to keep in touch with yourfriends , parents, classments,etc, and when in emergency, you can call your friends or 110 for help.
on the other hand, it is not good. Phones haveradiation. Too much radiationis bad for people's healthy. Besides, people usually download gamesto the phone, it may cause them addict to the games.
All in all,we should use phone properly , not too much.