In the literature, the presence of clowns allows a major reduction of pain and anxiety in children and their accompanying in various medical and hospital surgical settings. A previous study on a population of 60 children was conducted to assess the impact of the presence of clowns during the production of botulinum toxin injection in children but not confirming the benefit of their participation in carrying this medical procedure. The results of this study are opposed to current scientific data. Their impact clown assessment criteria seem however insufficient to actually support the conclusion as to the ineffectiveness of distractibility clowns in this specific medical procedure iterative injection of botulinum toxin.