Abstract:The combination of static and dynamic analysis methods were used to estimate the economic benefit of Acacia mangium plantation. The results showed that: at the cutting age of 6 years, the average annual investment profit margin was 11.5%, the financial internal rate of return was 22.4%, the net present value of the plantation was 2 375.3 yuan·hm-2 ,dynamic investment recovery period was 5.7 years, the price factor was the most sensitive factor affecting the income.