major medical document databases at home and abroad, and designated inspections for some physicians; many-to-one/many-to-many online interactive academic video conferences services such as medical academic conferences, product explanation meetings, academy seminars/symposia, and more, enabling real-time and remote one-to-many and many-to-many multi-media interactive conferences; professional information such as the latest medical industry and health policy information, medical research, and development and clinical updates, medicine information, diagnosis and treatment guidelines, and clinical cases at home and abroad.