Methods: HPMC was used to form the framwork of floated sustained release capsules containing Xiaojin Cinnabar.The content, floating time in vitro and releasing rate were studied.

• 方法:用HPMC为骨架制成含小金丹的漂浮缓释胶囊,进行含量、体外漂浮时间和释放度的比较。