Methods: The gastric cancer was induced by Ethyl nitro NTG (ENNG) and then removed by operation in Beagle dogs to establish the postoperative model of gastric cancer.

• 方法：以乙基硝基亚硝基胍(ENNG)致比格犬胃癌后手术切除建立胃癌术后模型，术后3周随机分为中药组、化疗组和模型组。