The present application provides solid forms of (2-chloro-4-phenoxyphenyl)(4-(((3R,6S)-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)amino)-7H-pyrrolo[2,3-d]pyrimidin-5-yl)methanone free base, and methods of preparing and using the same.本申請案提供(2-氯-4-苯氧基苯基)(4-(((3R,6S)-6-(羥基甲基)四氫-2H-哌喃-3-基)胺基)-7H-吡咯并[2,3-d]嘧啶-5-基)甲酮游離鹼的固體形式,以及其製備及使用方法。