Abstract: In order to take full advantage of the straw, we estimated the amount of straw and its nutrient contents in Huaibei City in 2011 by literature review and field surveys. The results showed that, the total amount of crop straw was about 1.705 million tons, in which the wheat straw, maize straw and soybean stalks accounted for more than 98% of the total amount of straw. The total nutrients were 43045.7 t and there were 15511.2 t N, 4696.8 t P2O5 and 22837.7 t K2O, the total value is about 188 million yuan. Therefore, straw returning can play an important role in alleviating the shortage of fertilizer and reducing agricultural invest.