The present invention relates to entecavir effervescent tablet as one hepatitis B treating medicine and its preparation process, and aims at providing one kind of entecavir effervescent tablet preparation with the features of accurate dosage, stable quality, easy production and convenient carrying like other common solid preparation, and the features of easy swallow, high bioavailability, less stimulation on gastrointestinal tract, etc like orally taken liquid preparation. The entecavir effervescent tablet is prepared with entecavir as main material and proper amount of medicine supplementary material and through a conventional technological process. |