AIM To study the effect of Baizhu (Atractylodes macrocephalae Rhizoma), Huangqi (Astragali Ra- dix), and Dangshen (Codonopsis Radix) extracts on the rapid repair of gastrointestinal mucosa injury in vitro. METHODS The gastrointestinal mucosa injury model was established by Tips scratch method. The effect of three kinds of extracts on the repair was studied in three areas: different cell seeding densities, rapid repair time after the scratch, and serum concentration. The cell migration model was then evaluated by EGF and AG1478. Finally, ...