Jin And Natural Disasters During The Preliminary Studies

Relying on records in ancient documents ,the paper expounds the natural calamities from several parts during wei jin dynasties.It is divided into six parts.In the first part , I date back to the research results on the natural calamities during wei jin dynasties and emphasize the importance of the research.In the second part, I give out the chart of the natural calamities during wei jin dynasties.(AD220-AD420)In the third and fourth parts, I analysis the main natural calamities during wei jin dynasties such as the flood, the dry, the locusts and so on. I found out the characteristics of it.In the fifth part, I prove that the officials took some effective measures to cope with the problem, althouth they only want to propect their government and control their people.In the last part, the main points are summed up.