Pain is a universal condition experienced by all persons regardless of age. As children grow, they receive routine vaccinations are regularly exposed to injections and pain. A study was conducted to assess the effectiveness of distraction in action on pain during intramuscular among children. The study aimed to assess the post-test level of pain among children in experimental and control group during intramuscular injection using FLACC pain scale. Quasi experimental post-test only design was conducted among 40 children, 20 in each group by purposive sampling. The findings revealed that there is a significant difference in the mean pain score (4.58) between the experimental group and control group, which shows distraction technique was effective for reducing pain. The study revealed that the distraction in action on pain during intramuscular injection in children was effective. The study findings show that there is decreased in level of pain perception in children among experimental group who received distraction and the pain level in control group remains high in children those who received routine care.