中文摘要：

在线人类孟德尔遗传（OMIM）是一个关于人类基因和遗传疾病的综合性数据库。及时性、权威性、全面性和实用性是OMIM的特点，对医学遗传学工作者和学生来说，OMIM是一部权威的遗传学百科全书。本文简要介绍了该数据库的内容和使用。

英文摘要：

Online Mendelian Inheritance in Man （OMIM, http ：//omim. org/） is a comprehensive, authoritative, practical and timely knowledgebase of human genes and genetic disorders. OMIM, as a genetic encyclopedia, provides an easy and straightforward access to information on human genetics to students, researchers and clinicians. This article presents an overview on the contents of OMIM and its application to medical genetics.