本文应用B超检查右下腹急腹症142例．诊断符合130例，符合率91．5％。文中着重描述了常见的右下腹急腹症的声像图特征，指出声像图有时缺乏特征性．应密切结合临床资料．并对多个可疑都位反复探查、鉴别．以提高B超诊断的符合率。 In this paper, 142 cases of right lower abdominal acute abdomen were examined by B-mode ultrasonography. The diagnosis was in line with 130 cases, with a rate of 91.5%. The paper focuses on the sonographic features of the common right lower abdomen acute abdomen and points out that sonography sometimes lacks character. Should be closely combined with clinical data. And multiple suspicious positions repeated exploration, identification. To improve the diagnostic accuracy of B-coincidence.