In my opinion, I think some time we take to adhere to the mobile phones too much. Everybody know that using mobile phones can adversely affect on health of users. But we are ignore it. In fact, the mobile phones have many benefit. It’s very important and it is 5 basic human needs. But mobile usage in excess of necessity. It many adverse effects. Especially teenager. They don’t indicate a time. They spent most time with mobile screen. It’s make the grade fall, no relate and according load current.