Based on auto weather station data and disaster data, we labored the weather features, the meteorological factors in different Hyperion height and the inducing factors for two severe coldness of 2010’s spring were analyzed. The agriculture layout in Lishui was divided into plain area, low elevation mountains area, middle and high elevation mountains area. The results showed that: (1) Severe coldness in spring was one of the most serious disasters of agriculture. the disaster’s level in different Hyperion height was very different. The damaging degree in plain area for Spring frost damage in March was equal with the damaging degree in middle-high elevation mountains area for Severe coldness in April, and weaker than in low elevation mountains area and in middle-high elevation mountains area. (2) The effective preparedness ahead of time and the scalization greenhouses were very important for defending the spring frost damage and severe coldness in the late spring in mountainous area.