Composition of canagliflozin and pharmaceutical excipient, and preparation method therefor

A composition of Canagliflozin and a pharmaceutical excipient, and a preparation method therefor. In the composition, Canagliflozin is amorphous. The present invention further relates to a pharmaceutical composition containing a Canagliflozin solid dispersion, comprising a solid dispersion formed by Canagliflozin and an organic carrier, and at least one pharmaceutically acceptable excipient, wherein Canagliflozin is amorphous. The pharmaceutical composition of the present invention increases the dissolution rate of Canagliflozin, and helps improve the bioavailability of medicine.