The study on the regional construction of cultural heritage is the necessary direction for the study and development of Guangdong-Hong Kong-Macao Greater Bay Area. From the interpretation of the " The development plan for Guangdong-Hong Kong-Macao Greater Bay Area " on the national strategic requirements of cultural construction, we will sort out the urban and rural cultural heritage types of Guangdong province, Hong Kong and Macao, as well as their ethnic groups with Chinese cultural traditions and Ling nan regional culture, and historical origins. Discovering the unique value of Ling nan culture in the current construction of urban and rural cultural heritage in Guangdong-Hong Kong-Macao Greater Bay Area and proposing cross-regional cultural heritage regional collaborative protection and development strategies, and guiding the development and exchange of platform research. To promote the practice of urban and rural construction in Guangdong-Hong Kong-Macao Greater Bay Area.