“An Introduction to Earth Sciences” is a foundation and introduction of geosciences specialities such as the Resources Exploration Engineering, Mineral Processing Engineering, etc.. It takes the whole Earth as the study object, mainly elaborated the planet Earth's general rule, and promulgates the inner relationship to relate these rules with the earth environment. Its content includes: the Solar system and the origin and the evolution of Earth, the characteristics of the Earth's exterior and internal spheres, the surface and internal processes to impel the Earth evolution, the characteristics of mineral and rock which composite lithosphere, the Earth dynamic system, the contributions of geosciences in the many aspects, such as resources utilization, the disaster prevent and control, environmental protection and so on, Earth systems science elementary knowledge as well.