Health investment is not only related to the individual income and expenditure，but also affects the development of Macro-economy.Health investment can reduce the economic burden and loss caused by disease，improve labor productivity，promote investment income，realize and promote the development of health industry，etc.making effects on economic growth.Based on the panel data of 30 provinces in China for 2000—2015 years，this paper constructs a spatial econometric model to empirically test the impact of health investment on economic growth and economic convergence.The results show that： health investment has positive effects on economic growth，and has a significant contribution to economic growth.However，the imbalance between urban and rural health investment has also led to further expansion of urban and rural economic disparities.In addition，educational human capital，urbanization，industrial structure and investment growth are also significant factors in influencing economic development.