Objective To study the situation of acute occupational poisoning in Shanghai,and to explore environmental risk factors and human factors of occupational poisoning for putting forward supervision countermeasures.

Through analyzing the past 9 year experience of acute occupational poisoning in Shanghai,we try to find out the risk factors and seek the preventive measures against these accidents.

This article summarizes the related information on worker health effect caused by smoking and occupational toxicant in recent years, describes the synergistic action of smoking and metals, metalloids, irritating gases and other toxicants, and the relation with occupational cancers, and calls for the necessity of non-smoking.

In the article introduced the common chemical properties food poisoning toxin and is poisoned the symptom,in view of each kind of chemical properties food poisoning proposed the corresponding preventive measure,and stated has the food poisoning emergency processing measure.