Nowadays, the phenomenon of drunken driving has arouse wide concern among the public. Especially the young generation living in metropolis, tend to drive after drinking, ignoring the fact that this behavior may pose underlying threat to their precious life and may even endanger others. Generally speaking, there are several reasons accounting for this phenomenon. Firstly, people participate in more activities or banquets than ever before ，where they will drink strong wine.Then, they may get drunk but continue to drive.Secondly, this behavior will directly threaten the safety of drivers, passengers and pedestrians, resulting in traffic accidents, injuries and even deaths. Besides, treating the injured and repairing broken cars means a grievous waste of money, time and resources. The legal aspects to strengthen management, strict, I believe that will reduce the phenomenon of drunk driving.

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