The emergency plan document system is divided into three categories \x0d\ Category I: Comprehensive emergency plan \x0d\ Comprehensive emergency plan is the overall plan of an enterprise, which focuses on shore-based support and centralized command, and focuses on the organization and coordination of emergency rescue activities. The principles and policies of accident emergency are expounded in general, and the basic requirements and procedures of enterprise emergency organization structure, as well as related emergency responsibilities, emergency actions, measures and guarantees are defined. Through a comprehensive emergency plan, we can clearly understand the emergency management system of enterprises. \x0d\ Category II: Special Emergency Plan \x0d\ Special emergency plan is a plan or scheme formulated for different emergency categories, hazard sources and emergency support, and is an integral part of comprehensive emergency plan. Should be formulated in accordance with the procedures and requirements of the comprehensive emergency plan, and as an annex to the comprehensive emergency plan. The special emergency plan should formulate clear rescue procedures and specific emergency rescue measures. In order to maximize the mobilization and utilization of resources and give full play to the best emergency rescue effect quickly and orderly, it is suitable for large enterprises or industry groups. \x0d\ Category III: On-site disposal scheme \x0d\ On-site disposal scheme is an emergency treatment and preventive measure for various specific accidents or dangers that occur or may occur in the course of operation according to the operational risks of shipping enterprises. The on-site disposal plan should be prepared one by one according to the risk assessment and risk control measures, so as to be specific, simple and targeted. Through emergency drills, emergency personnel should be familiar with what they know, master it skillfully, respond quickly and handle it correctly. .