The invention relates to a ulipristal acetate preparation and a preparation method thereof, and particularly relates to a ulipristal acetate dispersible tablet with improved dissolution rate and a preparation method thereof. In order to solve the problem that the ulipristal acetate tablet in the prior art is low in dissolution rate and bioavailability and affects emergency contraception effects, the invention provides the ulipristal acetate dispersible tablet. The ulipristal acetate dispersible tablet is prepared from a premix compound of ulipristal acetate and a disintegrating agent and a excipient, wherein the content of ulipristal acetate is 1-30%(w/w) and accounts for 50-80% of the total weight of the premix compound, the particle sizes of 70-100% ulipristal acetate and the disintegrating agent are less than or equal to 75 micrometers. The ulipristal acetate dispersible tablet disclosed by the invention can take effect quickly in vivo, can realize more effective emergency contraception effect, and is wider in application range.