In this article it briefly introduces the current production status of phosphorus in China After making analysis for the consumption ways and the market prediction of the phosphorus products,suggestion is given to the existing problems of phosphorous as the single product structure,low production efficiency,low added value and bad economic benefit.

We studied the change of the consumption path in the economic growth model with renewable energy,and discussed the influence of the discount rate of utility,the renewable rate of energy and technological level on consumption path.