| Disasters in general include flood, drought, wind, frost, hail, snow, and earthquake, epidemic disease, insect etc. caused by natural forces, which have produced certain effect to human life. In Chinese history, the wei-jin period is special, especially after the chaos of the han, the regime has been faced with internal contradictions, external intrusion into the condition of the continuous. Diffuse in war, the people lived in social unrest, but also in the famine and disease. Flood, drought, wind and other natural disasters, Earthquake, Locust borer, mice and other biological disasters, Tsunami, the tide disasters, Frost, frozen meteorological disasters such as decline, constituted the troubled wei-jin period. This period of natural disasters have concurrent characteristics, such as FDD meteorological disasters caused by locust and other biological disasters, earthquake related to drought, mudslides and other geological hazards, flash floods caused by fierce wind and rain etc. The natural disasters happened in this period also has characteristics of persistence and universality. The causes of the disaster are divided into two aspects of natural and social. The natural causes include geographical reasons, climate cause and environmental change, etc, while the social reasons include man-made destroy of the natural environment, war, harsh tax, etc. Disasters on economic development have a serious effect on the massive death of the labor force. The disasters definitely led to a decreased production, even a famine. Disasters on the social development also created a serious influence, including a worse population migration than the past. Disaster at the same time had a serious effect on politics, which led this period in the history of China into a period with the most frequent regime changes. Disaster also caused huge trauma to the living people by taking away many people’s life, then effected the basic social status psychologically directed and strongly.Facing the inevitable disaster, on one hand the ruler offered the implementation and promulgated policies to relieve the victims, on the other hand sent messengers or local officials to implement special relief work, gradually formed and improved the complete set of disaster relief mode:before the disaster, developing agriculture, reserving crops, constructing water conservancy Lord; in the disaster, taking all reliving measures; after the disaster, resuming production stability and prosperous economy. Facing disasters, both the government and the non-governmental organizations such as family neighborhoods, ordinary people, religious groups, rich merchant and gentlemen took all kinds of relief measures. The reliving measures in this period had positive effects, mainly referred to the governmental continuous measures to improve their management level, and promote social progress, to relief the social contradictions and reduce the social unrest, to restore social production and promote social and economic development. But it also had the obvious historical limitations, because the disaster relief then had not formed a good operation system, the relief efforts was not strong, not in a wide range and the overstaffed organs delayed the best time to relive. |