A total of 245 cases of COVID-19 in Shaanxi Province reported in the China information system for disease control and prevention as of February 24, 2020 were selected as the research objects, the cases are divided into imported cases (116 cases, 47.3%) and local cases (129 cases, 52.7%), their basic characteristics, time distribution, transmission mode, intergenerational interval and latent period transmission are analyzed. The age of local cases [(51.74±15.67) years old], female patients (69 cases, 53.5%), housework and retired staff (40 cases, 31.0%), and patients isolated at the time of onset (50 cases, 38.8%) were higher than imported cases, respectively[(40.66±15.41) years old, (45 cases, 38.8%), (21 cases, 18.1%), (17 cases, 14.6%)] (选取截至2020年2月24日中国疾病预防控制信息系统中上报的所有陕西省新型冠状病毒肺炎病例为研究对象,共245例,将其分为输入型(116例,47.3%)和本地型(129例,52.7%)病例,分析其基本特征、时间分布、传播方式、代际间隔及潜伏期传播等。本地型病例的年龄(51.74±15.67)岁,以及女性(69例,53.5%)、家务待业及离退人员(40例,31.0%)、发病时隔离患者(50例,38.8%)比例均高于输入型病例[分别为(40.66±15.41)岁、(45例,38.8%)、(21例,18.1%)、(17例,14.6%)](