Abstract: Objective To investigate the mortality of children under five years of age in the region. Methods Analyze the mortality of the children under 5 years of age in Shenyang Tiexi District supervised from October first，2012 to September 30，2017.Results There was no significant difference in neonatal mortality, infant mortality or the mortality of children under 5 years old in Tiexi from 2013 to 2017(P>0.05). Infant deaths in Tiexi District accounted for 64.74%(112/202) of infant deaths and 85.64%(173/202) of deaths of children under 5 years of age from 2013 to 2017. Infant deaths accounted for the largest proportion of deaths in children under 5 years of age. Neonatal death was the largest proportion of infant deaths. The main death factors of neonatal deaths among children under 5 years of age were premature low birth weight, birth asphyxia and congenital abnormality. Conclusion In order to reduce the death of children under 5 years of age, we should start with health education in many ways, improve the consciousness of health care, strengthen perinatal health care, carry out good pre-pregnancy health care, and set up help fund, so that the children can get effective and timely treatment.

Key words: Children under 5, Mortality, Measures