The present invention relates to a crystal form and a salt form of a 7H-pyrrolo [2,3-d] pyrimidine compound and a method for producing the same, and also relates to an application of the crystal form and the salt form in the production of a therapeutic agent for arthritis. [Selection diagram] Fig. 1本発明は、7H-ピロロ[2、3-d]ピリミジン化合物の結晶形、塩型並びにその製造方法に関し、また、当該結晶形と塩型の、関節炎治療薬の製造における応用にも関する。【選択図】図1