from the simulation of using cell phone while driving by driving simulators to test the reaction of the driver. The behavior of people in this age are widespread. It is the behavior to lack concentration. the results showed, It make the driver response situation slowdown 2-5 times or as fast as possible is 5 seconds. The statistics showed, when you press text while driving is more dangerous than driving normally 23 times as pressing the number 2.8 times, talking on the phone 1.3 times and tried to use the telephone to lead or other functions 1.3 times.