OBJECTIVE To study the effect of Ganmeiling on the swallow function of the macrophage of mice. METHODS All the mice were given the drug everyday for a week, then inject chook RBC into the paunch. Count the number of RBC swallowed by macrophage, the effect of drug was estimated by the number of cells.RESULTS Ganmeiling can improve the swallow function of the macrophage. CONCLUSIONS Ganmeiling can improve the swallow function of the macrophage.