The results of studies of physical properties of Ni fcc lattice obtained with the help of thereduced all-neighbour approximation of the self-consistent phonon theory are presented.The interatomic interactions are described by the modified form of the generalized Morsepotential, proposed lately by Akgün and Uğur, with parameters derived from theexperimental data for the lattice constant, cohesive energy, bulk modulus and elasticconstants. As a test of the validity of both the model of interatomic interactions andthe model of lattice dynamics the temperature variations of selected physicalproperties of Ni are given and compared with experimental and other theoretical data.