The research of crucial factors and practical ways of emergency plan development

Against the problems of current emergency plan,made the suggestions of strengthening the systematization and legalization of emergency plan,and the accordance and compatibility of emergency plan function.Accordingly,the crucial factors in practice are drilling and evaluation,regular update,and assistant system construction.Problems of emergency plan drill should be paid attention and the assessment index were introduced.The emergency plan accreditation types and revision of emergency plan were explained in details.The decision support functions of emergency plan and how to strengthen the decision support system were summarized.