This study investigates the impact of public health expenditure on economic growth in Nigeria. OLS methodology was employed to analysis the time series data sourced from CBN statistical bulletin in the course of the study ranges from 1981-2015. The result unit roots test shows the stationarity of the data at first difference. The regression analysis result established that there is bidirectional causality between government spending on health and economic growth in Nigeria. Health spending has positive and significant effect on economic growth in Nigeria with coefficient of determination of 98%. Recommendation was made that recognition of the fact that increase in government spending enhances the growth of the economy. This necessitate that there should be an increase funding of the health sectors; more so concerted efforts should still be committed to funding crucial projects that will culminate to evident outcomes in the health sectors. Also, government would need to establish new partnerships with the stakeholders in private businesses in the sector where its relevance is gradually declining) in order to mobilize the necessary resources to stimulate efficiency. The international organizations should also be contacted for development assistance in conformity with their commitment to African countries. Keywords: Health Spending, Economic, Growth,