Provided is an amorphous solid dispersion including a taxane or a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable polymer, and a pharmaceutically acceptable surfactant, which has enhanced solubility. Also provided is a method for preparing the solid dispersion. The present subject matter also provides a tablet having good solubility, bioavailability and stability, which comprises the amorphous solid dispersion, an intragranular excipient, and an extragranular excipient.