Conclusions: The combination between meloxicam (8 mg / kg mice) and Du-huo-dang-ji-sheng has anti-inflammatory effect equivalent to meloxicam 8 mg / kg and increases the index of gastric ulcers; the combination between meloxicam (4 mg / kg mice) and Du-huo-dang-ji-sheng increases the anti-inflammatory effect and decreases the index of gastric ulcers.