1资料与方法近期对我校546名40岁以上教师及退休人员做了腹部B超检查。其中男性318人，女性228人，年龄最小者40岁，最大者89岁。使用超声仪器为日本东芝SAL-32B，检查项目是肝脏、胆囊、脾脏及肾脏，检查前做肠道准备。2结果从检查中我们发现脂肪肝和胆囊结石在病变声象图中占 1 Materials and Methods Recently, 546 teachers and retirees over the age of 40 from our school have undergone abdominal B-ultrasound. Including 318 males and 228 females, the youngest being 40 and the oldest being 89. The use of ultrasound equipment for the Japanese Toshiba SAL-32B, check the project is the liver, gallbladder, spleen and kidneys, check before doing intestinal preparations. 2 results from the inspection we found that fatty liver and gallbladder stones in the acoustic image of lesions accounted for