Аннотация:The report discusses various aspects of the interaction of modern astrometry and cosmology. A common feature of the two branches of science --- a small dimension of the field of activity. The cosmological details of the solution of the main problem of astrometry --- the establishment of a fundamental celestial reference system in different wavelength ranges are studied. It is shown how the increase of accuracy in astrometry makes the problem of statistical accounting of gravitational microlensing relevant. One of the ways of astrometry influence on cosmology is indicated, when the measurement of the Earth-Moon distance in the near future will allow testing the latest theories of gravity.