本文报告了胃肠道原发性非何杰金氏恶性淋巴瘤32例,主要讨论其诊断及鉴别诊断的标准,其中24例获得随访结果,观察了治疗方法、肿瘤好发部位、浸润层次、组织学类型及核分裂相与预后之间的关系。其结果肿瘤好发部位及肿瘤浸润层次与预后关系密切。作者认为,位于胃、回盲部的恶性淋巴瘤较小肠、大肠的恶性淋巴瘤预后好;浸润层次越深则预后越差。 In this paper, 32 cases of primary non-Hodgkin’s lymphoma of the gastrointestinal tract were reported. The criteria for diagnosis and differential diagnosis were mainly discussed. Among them, 24 cases were followed up, and the treatment methods, the location of the tumor, and the infiltration level were observed. Histological types and the relationship between mitosis and prognosis. As a result, the location of the tumor and the level of tumor invasion are closely related to the prognosis. The authors believe that malignant lymphomas in the small intestine and large intestine of malignant lymphomas located in the stomach and ileocecal region have a good prognosis; the deeper the infiltration level, the worse the prognosis.