From the viewpoint of agrology, this paper addresses systematically soil reconstruction in land reclamation, puts foreword concept of soil reconstruction in coal mining areas, discusses its meanings, classifies and generalizes soil reconstruction and proposes a common method for soil reconstruction. At the same time it emphasizes that soil reconstruction is the core content of land reclamation; soil profile reconstruction the key content of soil reconstruction; and quality of reconstructed soil is the primary standard for evaluating effect of soil reconstruction.