Combined with aboard lessons and experience responding the SARS,analyze the main function of hospital to public health emergency in the aspects of supervision,information communication,epidemic situation control and medical cure etc .

This paper analyzed the response decision system s of Chengdu public health emergency and presented the general design and technical implementation.

Some problems in administrative law on emergency mechanism for public health events;

Methods Data on food hygiene events from 2002 to 2004 in restaurants of 14 blocks which were located in the important city zone of Qingdao were collected and studied.

The kinds and characteristics of emergent public health events are expounded and their harm to human is described.

First descriping it from conception,then expatiate the feature of public health event exactly from its emergency,multitude,uncentainty and danger, and replect its bad effects from threating body health and stablility of socity and influncing the development of economy.

Quickly tackling and interference of psychology on public sanitation accident is the focus of modern public sanitation study.

According to the happening and development of tackling public sanitation accident ,we believe that we should make a further research and exploration on it’s forming reasons from macrocosm and depth.