As every body knows,mobile phones is playing in our daily life nowadays.But the important part of it,they have BOT advantages and disadvtanges in my opinion.First,mobile phone make people keep in touch with each other whevere they are.Especially convinent when they have something important.People don't have to travel long distances,It cost reduction in person to know something Second,we can through the mobile phone messages sent a little money,only 0.01 yuan,each of the short message.Third,we can also play games or take photoes or listen to music in the mobile phone,late we do many things on them with the development of the technology.But they also have many disadvatages.We have to pay us.The radioactivites not wrong Numbers could damage our health.Sometimes The rings may affect others in public or at meetings