A method for volume measurement of small coal heap based on combination of SURF feature and binocular vision is presented in this article. Firstly, the principle of binocular vision and stereo matching based on SURF algorithm is briefly introduced. Then, in order to achieve the non-contact volume measurement of coal heap, the 3D reconstruction and volume measurement method of coal heap is given, and the main factors influencing the calculation accuracy and related solution are discussed. Finally, the feasibility and application value of this method used for volume measurement of coal has been proved according to the experimental results.