Endogenous economic growth theory affirms the effects of public goods on economic growth.Based on this theory,this article does an effective analysis of the economic growth by taking into consideration of all the influential factors such as national agriculture expenditure,rural compulsory education,rural public health spending and social security expenditure in rural areas from 1994 to 2008.Then through the integration testing of the associated data,by applying error correction model state space model,this article gets the following conclusions:in short term,the agricultural expenditure and the rural compulsory education have a positive effect on the economic growth while the rural public heath spending and the spending on social security in rural areas have a negative effects on the economic growth; in the long run,according to the economic growth effects,Chinese rural public goods investments should attach importance to agriculture expenditure,rural public heath spending,rural compulsory education and spending on social security in rural areas.Based on this,this article gives the suggestions about the public goods investments in rural areas in China as follows:increase the investment on agricultural expenditure,continue to enhance the investment on rural compulsory education,constantly and stably increase the rural public health investment and gradually bring the rural security system into perfection.