一、手机呼出时与网络最初取得联系时几秒钟内电磁辐射最强 ,因此在最初几秒 ,最好不要马上将手机贴身接听。二、在信号不好的地方使用手机 ,拉出天线可以改善通话质量 ,并使手机在比较低的功率水平上工作 ,功率越低 ,电磁辐射强度越低。三、尽量减少通话时间。使用耳机可有效 First, the phone exhaled When the first contact with the network when the most powerful electromagnetic radiation within seconds, so in the first few seconds, it is best not to pick up the phone close to the body. Second, the use of mobile phones where the signal is not good, pull out the antenna can improve call quality, and make the phone work at a lower power level, the lower the power, the lower the intensity of electromagnetic radiation. Third, try to reduce the talk time. Use headphones can be effective