Morinidazole crystal and preparation method and medical application thereof

The invention discloses a morinidazole crystal and a preparation method and medical application thereof. Particularly, an x-ray powder diffraction pattern of the morinidazole crystal includes 2thelta characteristic peaks with the degrees of 10.2, 16.3, 17.3, 19.7, 21.7, 24.3, 27.2 and 29.5. The morinidazole crystal is high in stability and fluidity and suitable for pharmaceutical preparation requirements.