The east coast of Eurasia is influenced by the humid summer monsoon from the Pacific Ocean every summer, with more precipitation, which is a humid subtropical monsoon climate and temperate monsoon climate; The interior of the mainland is far away from the ocean, so it is difficult for ocean water vapor to reach and there is little precipitation, which belongs to a dry temperate continental climate. The west coast of the mainland is affected by the warm and humid air flow from the Atlantic Ocean, and there is also a lot of precipitation, which belongs to the humid Mediterranean climate and temperate maritime climate.