The intellectual property right is among of science and technology indicators, it is a public policy which has some influence or effects on the economic growth of countries. This empirical research analyses the current effects of intellectual property rights on the economic growth of china for fifteen years ago with endogenous growth model. The numbers of domestic and foreign patent applications have positive correlation and are significant with the nominal Gross Domestic Products of china. Having strong intellectual property rights protection motivate knowledge and innovations and also promotes research and development in developing countries. The intellectual property rights increase world welfare and they have positive effects on countries’ economic growth.