Delafloxacin meglumine salt crystal form, and preparation method thereof

The invention relates to a delafloxacin meglumine salt novel crystal form, and a preparation method thereof. The delafloxacin meglumine salt novel crystal form is characterized in that characteristic diffraction peaks can be observed at 2theta of about 6.0 DEG, 7.9 DEG, 9.4 DEG, 13.0 DEG, 17.1 DEG, 19.2 DEG, 20.9 DEG, 22.0 DEG, 23.0 DEG, 23.8 DEG, 25.4 DEG, 26.6 DEG, and 29.7 DEG in the X-ray powder diffraction pattern of the delafloxacin meglumine salt novel crystal form. The delafloxacin meglumine salt novel crystal form is high in purity, and stability.