The present invention relates to a crystalline form of N-((s)-1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)prop-2-yl)-5-(1-hydroxylethyl)-1H-pyrazole-3-carboxamide (namely, ODM-201). The ODM-201 crystalline form of the present invention has one or more improved properties compared to known ODM-201. The present invention further relates to a method for preparing the ODM-201 crystalline form, a pharmaceutical composition thereof, and a use thereof in the preparation of a medicament for the treatment of nuclear receptor, specifically steroid receptor, and more specifically androgen receptor (AR)-dependent diseases and conditions.