A crystal for oral solid medicament comprised of indoline compound (KMD-3213) which exerts alpha 1-adrenaline receptor blocking effect, is useful as a therapeutic agent for dysuria and is represented by the formula: (I) wherein in the powder X-ray diffraction pattern, the compound is characterized by main peaks of 5.5 DEG +/- 0.2 DEG , 6.1 DEG +/- 0.2 DEG , 9.8 DEG +/- 0.2 DEG , 11.1 DEG +/- 0.2 DEG , 12.2 DEG +/- 0.2 DEG , 16.4 DEG +/- 0.2 DEG , 19.7 DEG +/- 0.2 DEG and 20.0 DEG +/- 0.2 DEG as 2&thetas;. There is further provided an oral solid medicament for dysuria treatment containing the crystal as an active ingredient. <;CHEM>;