In this talk, I will present a new high-resolution N-body simulation called Uchuu. It consists in a cosmological box size 2Gpc/h, and 12400^3 particles. The mass resolution is 2x10^8 Msun/h, and it has been produced with the latest Planck cosmological parameters. Rockstar halos catalogues, merger trees, lensing ligthcones up to z=7 and semi-analytical galaxies are being produced. The first Data Release is expected April, 2019. This simulation could be useful to prepare the Euclid deep field observations, or other high redshift surveys.