The present invention relates to an artificial leather flocked on concave grooves and used for complete identification unit printing. The artificial leather comprises a PVC artificial leather (1), wherein the upper surface of the PVC artificial leather (1) is provided with pattern lines and is provided with a plurality of concave grooves (2) at intervals, fluffs (3) are arranged in the concave grooves (2), a lining fabric layer is compounded on the lower surface of the PVC artificial leather, is a porous fabric, and comprises a substrate prepared from a porous fabric, a bottom layer and an information layer, the bottom layer is directly formed on the substrate, the information layer is arranged on the bottom layer, the information layer comprises patterns capable of being recognized by a machine, the patterns are formed by arranging a plurality of identification units, the bottom layer is a dense membrane, and the pore size of the bottom layer is smaller than the size of the identification unit. According to the present invention, the artificial leather has good warming effect, has layering effect and beautiful outlook after being finished, and is used for complete identification unit printing.