Cancer, when diagnosed in children, is a stressful experience for the child and family members. Cancer treatment is advancing and the treatment related side effects are very common among children. The prevalence of nausea, vomiting and retching is very frequent in children with chemotherapy. It is very essential to assess the children for any side effects of drugs. The study was conducted using descriptive study design on 125 children who met the inclusion criteria using purposive sampling technique. Data was collected using Demographic and clinical variables Proforma and nausea, vomiting and retching were assessed using RHODES Index. The findings revealed about 80.8% of children were in the age group of 6- 10 years, the majority were males (68.8%) and a majority 68% of children had severe nausea and vomiting and feeling of retching during cancer treatment.