Varicella is a common and simple infectious disease in children, but necrotising fasciitis sometimes can be a complication, presenting as a rapidly progressive soft tissue infection that can be lethal. In this article, we present 4 children that had been diagnosed with varicella and complicated with necrotising fasciitis. We describe their clinical characteristic as their age, sex, the presentation of the disease, location of the infection, history of NSAID consume, symptoms at time of admission, surgical treatments and complications.