That the frequent occurrences of various natural disasters are seriously threatening the security of archives and collection files. It is universal truth that prevention work is better than relief work, so do good preparations of archives are the primary task to deal with natural disasters effectively. The archives are not only need to strengthen the training and educational work, to improve the crisis consciousness and the operating capability, but also need to establish the perfect emergency preplans and to strengthen the emergency drilling work. Furthermore, the archives should also take precautions and complete various defensive preparations, take preventive measures and strengthen routine monitoring and maintenance work before natural disasters.