In this paper we have made and attempt to find out the reason behind the child mortality and rate of mortality in which district. The Infant Mortality Rate (the probability of not surviving by age one) is one of the sensitive indicators of development. Reduction of IMR has been accorded high priority in improving the health situation of the population. Infant mortality rate is most essential component of health indicator, It is a major determinant of life expectancy at birth, the IMR is sensitive to levels and changes in socio-economic conditions of a population. The main objective of the paper is to know the actual scenario children death between two backward districts of West Bengal. This data is secondary in nature, the hospital authority given us this data only last one year. The parameter was sex wise child death, cause of death, birth weight, place of birth, age wise death in two districts hospital. Findings of the study is instructional delivery is one of the most important reason; institutional delivery is very poor in Jhargram. Birth weight is another important phenomenon of IMR. Most of the infant death in two districts has been found due to preterm and / or LBW/ELBW. Severe birth asphyxia is the vital cause has been found in both district as death reason which is 80.86% and 77 % respectively. (224)