自杀是一个严重的公共卫生和精神问题，是潜在寿命损失的主要原因。由于自杀与地理环境、风俗、民族生活以及社会人文、居民信仰有密切的关系，自杀死亡率的地区分布存在差异。随着市场经济的不断深化，我国东北地区的重工业城市经历了很大的兴衰变化。为了解自杀对辽宁省城市居民生命的影响及其特点，我们对1988—2000年辽宁省城市死亡统计年报资料进行分析，描述自杀在城市居民中的变动趋势和分布特点，为自杀的预防提供科学依据。资料来源于1988—2000年辽宁省城市居民病伤死因数据库，涉及辽宁省沈阳、大连、鞍山、抚顺、本溪、丹东、阜新7城市的市区人口，研究人群总共为12 710．0万，死因按ICD-9标准分类。分析指标包括死亡率、标化死亡率、年龄别死亡率等，标化死亡 Suicide is a serious public health and mental problem, which is the main reason for the loss of potential life expectancy. Because suicide and geographic environment, customs, ethnic life and social and cultural, residents have a close relationship between beliefs, suicide rates are distributed in different regions. With the constant deepening of market economy, the heavy industry cities in Northeast China have undergone great changes. In order to understand the impact of suicide on the lives of urban residents in Liaoning Province and its characteristics, we analyze the data of urban death statistics in Liaoning Province from 1988 to 2000, describe the changing trend and distribution characteristics of suicides in urban residents, and provide science for the prevention of suicide in accordance with. Data from 1988 to 2000 in Liaoning province urban residents died of the cause of death database, involving Shenyang, Dalian, Anshan, Fushun, Benxi, Dandong, Fuxin 7 urban population, the study population of 127.1 million, the cause of death According to ICD-9 standard classification. Analysis of indicators, including mortality, standardized mortality, age-specific mortality, standardized death