Mainland patients can authorize medical records for Hong Kong doctors to view. Ruida (Guangzhou) Medical Clinic Co., Ltd.

in Nansha District became the first approved cross-border medical exchange from the mainland to Hong Kong. Once approved, two-way medical data flow can be achieved. In December 2023, the Cyberspace Administration of China and the Innovation, Technology and Industry Bureau of the Hong Kong Special Administrative Region Government jointly formulated the "Guangdong-Hong Kong-Macao Greater Bay Area (Mainland, Hong Kong) Personal Information"