Inclusion Criteria:  Children from 6 to 11 years old requiring an intravenous catheter insertion in a pediatric day hospital at the Clermont Ferrand University Hospital. Subjects and their parents who were informed about the study and gave informed consent Subjects who have had local anesthetic cream for 1-5 hours at the puncture site On the first attempt to apply intravenous catheter on the day of inclusion Subjects and their parents able to use the self-report scales proposed in the study.  Exclusion Criteria:  Children from 6 to 11 :  Having a modification of pain's integration (spina bifida for example) Having received an analgesic before the care Requiring contact isolation With a history of seizures or motion sickness Born very prematurely (< 28 SA) Presenting a contraindication to the use of the local anesthetic cream Presenting a contraindication to the use of the anesthetic and anxiolytic gas. Presenting a contraindication to the use of the virtual reality mask: heart disease, epilepsy, psychiatric illness (major anxiety, post traumatic stress syndrome)