 The phase II of the T2K experiment is expected to start in 2022 and last until 2025 or 2026 following by the commencement of the HK experiment.The physics goals of T2K-II are a measurement of the oscillation parameters "θ"23 and Δ"m" with a precision of 1.7° and 1%, respectively, as well as a confirmation at the level of 3 σ or more of the matter-antimatter asymmetry in the neutrino sector in a wide range of possible true values of "δ"CP - the parameter responsible for the CP (matter-antimatter) asymmetry.Achievement of these goals requires reduction of the statistical and systematic errors, and thus a significant upgrade of the beamline and the ND280 detector, as well as improvements in the software and analysis methods.