| There are many methods measuring the quality of economic growth, this article is to explain the quality of China’s economic growth from "one five" to "five five" from the perspective of soft inputs. This paper introduces the domestic and foreign scholars’ different insights on China’s economic growth and the soft investment theory. In order to measure the contribution of the soft input, the article proposes formula method. As China took the old accounting system during the study period, so this article also makes a comparative analysis of the difference between the old and new accounting system. On the basis of the data obtained, the article estimates out of the soft investment contribution rate during the "one five" to "five five", and there are some conclusions:firstly,the soft investment contribution rate between "one five" to "five five" is not high,for the long-term economic development maintaining an appropriate proportion of the various departments is necessary; Secondly, the " fifteen " to "55" during the government interfered economic growth too much during the "one five" to "five five", leading to the effect of economic growth is not ideal, so deregulation is necessary; Finally, in order to improve the quality of economic growth, we have to improve the quality of soft portfolio. In order to improve the quality of economic growth, lowering economic growth rate appropriately may be necessary. |