The most frequently used means to prevent pre-anaesthetic anxiety in children is a drug premedication. Midazolam, a benzodiazepine, is mainly used. It requires time for action, so coordination between departments and operating room, exposed to the risks of side effects and failure and this variability action. Alternative means were evaluated, such as the presence of parents during anaesthetic mask induction, distraction by clowns, hypnosis or video games.