Abstract: The experiment was conducted to determine the effects of three Chinese herbal ultrafine powder on cruor effect, analgesic effect and enterokinesia in mice in order to study and develop a novel veterinary herbal medicine praeparatum with high efficiency and rapidly available. Compared with the control group, panax notoginseng ultrafine powder has significant cruor effect(P<0.05). No obvious effects of panax notoginseng ordinary powder on the effect of cruor(P>0.05). Rhizoma corydalis ultrafine powder has significant analgesic effect, when compared with control group and rhizoma corydalis ordinary powder group(P<0.05). Compared with control group, rhubarb ultrafine and ordinary powder has significant promoting function on peristalsis of intestines(P<0.01). Moreover, there were significant differences in the average pushing rate of intestine enterokinesia between rhubarb ultrafine powder and ordinary powder group in the same drug concentration(P<0.05).

Key words: Chinese medicine ultrastructural powder; panax notoginseng; rhizoma corydalis; rhubarb