PROBLEM TO BE SOLVED: To provide a drink drive preventing device preventing pretension of a driver even after drive is started.SOLUTION: The drink drive preventing device includes: a personal identification means 11 performing personal identification by biological information of a finger of a drive, a drink determination means 12 performing drink determination by alcohol detection from a blood vessel of the finger of the driver and a control means 13 causing the personal identification means 11 to perform personal identification every fixed period and causing the drink determination means 12 to perform drink determination, the control means 13 makes driving operation of a vehicle impossible according to an identification result of the personal identification and a determination result of drink determination and causes an engine to be stopped.COPYRIGHT: (C)2012,JPO&INPIT【課題】運転が開始された後でも運転者のなりすましを防止することができる飲酒運転防止装置を提供する。【解決手段】運転者の指の生体情報による個人認証を行う個人認証手段11と、運転者の指の血管からのアルコール検出による飲酒判定を行う飲酒判定手段12と、一定期間毎に、個人認証手段11に個人認証を実行させ、飲酒判定手段12に飲酒判定を実行させる制御手段13とを備え、制御手段13は、個人認証の認証結果と飲酒判定の判定結果に応じて、車両の運転操作を不能とさせ、エンジンを停止させる。【選択図】図5
