Objective To investigate the change of microbes in stomach of mice by ulra-micro Wuji pills and confirm the optimal superfine powder dose. Methods The mice were randomly divided into 6 groups： control group, traditional Wuji pills decoction group, whole dose superfine powder group, half dose group, quarter dose group and one-eighth dose group. The castric contents were taken from every group to analyse the changes of microbes in stomach every two days. Results Lactic acid bacteria showed no significant change （P 〉 0.05 ）. Wuji pills had inh...
