Abstract: Recently the cases after drinking are increasing, but the systematic studys on ethanol content in vivo and correlative problems are still absent. According to the measured results of ethanol content in vivo, ethanol metabolic distributed rules, mechanisms of ethanol toxicological effect and its production in vivo, this study analysed systematically the time after drinking, total quantity of absorbed ethanol, psychological situations, behavioral dominated ability, death causes and manners in order to find out the implied forensic medical information and provide the reference for colleague.

Key words: ethanol, blood alcohol concentration, content analysis, alcohol pharmacokinetics