"Xiangjiao Geography Cloud" digital textbook is a new achievement of the construction of middle school geography digital textbook in China, which is composed of "digital textbook" system and "digital earth" system. The "digital textbook" system has the characteristics of basic tools to assist "improving quality and effi ciency", multi-modal resources to enable "immersive exploration" and intelligent chemistry partners to provide "professional guidance and evaluation"; The "Digital Earth" system has the characteristics of twin model to shape the virtual practice fi eld, functional components to strengthen the geographical thinking method and internal and external connectivity to optimize the geography teaching form. To eff ectively apply the digital textbook of "Xiangjiao Geography Cloud", it is necessary to deeply explore its technical functions, organize embodied geographical cognitive activities, implement through-type geographical operation activities and design contextualized human-earth communication activities.