Yichang, Hubei Province is a second-tier city. Yichang City is located in the southwest of Hubei Province, at the junction of the middle and upper reaches of the Yangtze River, and the transition zone from Wuling Mountain and Qinba Mountain in western Hubei to Jianghan Plain, "controlling Bashu in the upper part and painting Jingxiang in the lower part". It is adjacent to Jingzhou and Jingmen in the east, Shimen County in Hunan Province in the south, Enshi Tujia and Miao Autonomous Prefecture in the west, Shennongjia Forest Area and Xiangyang City in the north. The total area is 2 1227 square kilometers.

The geographical environment of Yichang city is complex and diverse, and it is located in the composite part of the southern part of the third uplift belt of the new Cathaysian primary structure and the Huaiyang mountain structure system. Before Sinian, the magmatic activity in this area was intense, and a variety of magmatic rocks were formed, from acidic to ultrabasic rocks, from intrusive bodies to extrusive rocks, and a series of metamorphic rock series were formed.

Climatic characteristics of Yichang.

Yichang is located in the transitional zone between the middle subtropical zone and the north subtropical zone, and belongs to the subtropical monsoon humid climate. Four distinct seasons, water and heat in the same season, cold and drought in the same season. Annual average precipitation 12 15.6 mm, average temperature 16.9 degrees Celsius, extreme maximum temperature 4 1 0.4 degrees Celsius (July) and extreme minimum temperature -9.8 degrees Celsius (1month). /kloc-The annual average active accumulated temperature above 0/0 degree is above 5200 degrees Celsius for 250 days.