本文报道２９例小肠肿瘤的超声诊断，所有病例均经手术病理证实。超声检查肿块显示率为８６．２％（２５／２９），声像图的特征性表现为“假肾征”或“靶环征”，同时可发现肠梗阻、胆道梗阻及转移浸润等间接征象。文中分析了误诊、漏诊的原因。作者认为超声作为无创性检查，对小肠肿瘤的诊断有较高的临床价值，不失为本病的主要检查方法。 This article reports 29 cases of small intestine tumor ultrasound diagnosis, all cases were confirmed by pathology. Ultrasound examination showed a rate of 86.2% (25/29). The sonographic features were characterized as a “pseudo-renal sign” or “target ring sign.” Infarct obstruction, biliary obstruction, and metastatic infiltration were also found. . The paper analyzes the reasons for misdiagnosis and missed diagnosis. The authors believe that ultrasound as a non-invasive examination has a high clinical value for the diagnosis of small intestine tumors, and is the main method of examination for this disease.