The present invention relates to the pharmaceutical field, provides novel crystalline forms, solvates and the crystalline forms thereof of compound 6-((6,7-dimethoxyquinazolin-4-yl)oxy)-N,2-dimethylbenzofuran-3-carboxamide, pharmaceutical compositions, as well as the methods of preparation and the use thereof.La présente invention concerne des formes cristallines du composé 6-(6,7-diméthoxyquinazolin-4-yloxy)-N,2-diméthylbenzofuran-3-carboxamide, des compositions pharmaceutiques et leurs procédés de préparation et d'utilisation.