The present invention provides the preparations of the bioavilability of the preparation of high disintegration properties, drug raising, preparation method, etc.. Fast disintegrating preparations, it includes the particles (containing drug) and disintegrating agent with the coatings coating containing sugar or sugar alcohol. The preparation method of fast disintegrating preparations comprising the following steps: the step of particle of the preparation containing drug, in the step of being formed on particle obtained include the coatings of sugared or sugar alcohol, the step of particle of coating mixes and mould the mixture with disintegrating agent.本發明提供了高崩解特性的製劑、藥物的生物利用度提高的製劑、其製備方法,等等。快速崩解製劑,其包含用含糖或糖醇的包衣層包衣的顆粒(含有藥物)和崩解劑。快速崩解製劑的製備方法,其包括下列步驟:製備含有藥物的顆粒的步驟,在所獲得的顆粒上形成包含糖或糖醇的包衣層的步驟,包衣的顆粒與崩解劑混合以及模製該混合物的步驟。
