ob- availability of regional water resources. Based on this perspective,Р lems of relevant areas. The relevant data of meteorology, hydroge- this paper reviews the hydrogeological changes of the tunnel andР ology and environmental change are obtained from the forecast its impact on the surrounding ecological environment in detail, inР website of China Meteorological Administration, and the relation- order to improve the research depth in this field and provide moreР ship between hydrogeological environmental change and ecologi- theoretical basis for the in-depth work in this field.Р cal environment is analyzed. With the rapid development of tunnel Key words: tunnel;hydrogeology;environmental change;eco-Р engineering, with the destruction of the environment in the engi- logical environment