公共卫生的概念有广义和狭义之分。狭义上的公共卫生就是指预防医疗保健服务。广义的公共卫生包括疾病控制、妇幼保健、食品与饮水卫生、环境卫生以及卫生监督、医疗救治、卫生应急处置等,几乎涵盖了整个卫生工作的方方面面。公共卫生工作的主要任务,概括起来就是在政府的领导 The concept of public health is broad and narrow. In a narrow sense, public health refers to preventive health care services. Public health in a broad sense includes disease control, maternal and child health, food and drinking water sanitation, environmental sanitation and health surveillance, medical treatment and emergency response, covering almost all aspects of health work. The main task of public health work, to sum up is the leadership of the government