The present application relates to a salt of a pyranose-substituted heterocyclic compound, a preparation method therefor, and use thereof, and in particular, to an acid addition salt of a compound of formula (I) or a prodrug thereof, and further relates to D-glucuronate of a crystalline compound of formula (I) or a prodrug thereof. D-glucuronate of a compound of formula (II) has particular advantages in terms of crystallizability, subsequent purification, stability, formulation medicinal properties or quality control, and is most applicable for improving the formulation pharmaceutical properties, purity and quality control, as well as large-scale process development of such drugs.本發明關於一種吡喃糖取代雜環化合物的鹽及其製備方法和用途，具體關於式(I)化合物或其前藥的酸加成鹽。此外還關於結晶形式的式(I)化合物或其前藥的D-葡萄糖醛酸鹽。式(II)化合物的D-葡萄糖醛酸鹽在可結晶性、後續純化、穩定性、製劑成藥性或質量控制等方面尤其具有顯著優勢，最適合用於改善此類藥物的製劑成藥性、純度和質量控制等方面，以及最適合用於改善此類藥物的規模化製程開發。
